Masaki Kazamori

Biography

Gallery

Masaki Kazamori
Data
Ultra	Ultraseven
Transformation Item	Ultra Eye
Type	Protagonist
Age	Presumably 20s
Gender	Male
Home World	Earth (Heisei Ultraseven Universe)
Affiliation	Dan Moroboshi UG
First Appearance	Ultraseven 98 episode 1 "Lost Memory"
Latest Appearance	Ultraseven EVOLUTION episode 5 "Akashic Records"
Portrayed by	Katsuyuki Yamazaki

Masaki Kazamori is the main protagonist of Heisei Ultraseven. He is a new member of UG, a strong-willed, principled young man who consistently does what he believes is right, even when he questions the rules or challenges his superiors.

Originally the subject of Ultraseven's disguise, Kazamori eventually becomes his human host in a conflict that determines mankind's future.

History

Ultraseven 30th Anniversary Trilogy

Kazamori's first appearance.

Kazamori is a straightforward and sincere young man. With the promotion of Furuhashi to a staff officer of the TDF, a new batch of UG members was formed, and Kazamori was selected as a new member of the team. Due to his earnest nature, his teammates Satomi and Rumi often refer to him as "Kazamori-kun," though he does not particularly like being addressed with the honorific.

During his initial appearance, an incident occurred in Techno city, where residents experienced memory loss. The newly appointed Captain Shiragane ordered the team, including Kazamori, to investigate the situation. They discovered a plant that, while not originating from Earth, had the ability to paralyze human brain neurons. During the investigation, Kazamori encountered Dan Moroboshi for the first time, although the two did not interact at that moment. Kazamori also found Den to be somewhat suspicious.

Kazamori and Dan pursue Alien Viyell's spaceship in a car.

Upon receiving reports of a minor conflict between the archaeological team conducting excavation work and construction workers, the UG team, along with the police, rushed to the scene, where they once again encountered the mysterious plants. With Dan also present at the incident site, Kazamori and Shima began to track Dan's movements. However, during the pursuit, the ground suddenly cracked open, revealing an alien spacecraft. This confirmed that the entire memory loss incident was orchestrated by extraterrestrials. Kazamori suspected Dan to be the perpetrator and attempted to intervene. Yet, witnessing Dan's determination, he ultimately lowered his guard and joined Dan in a vehicle to pursue the spacecraft. Unfortunately, their vehicle was attacked by the spacecraft, causing Kazamori to lose consciousness. When he awoke, the Alien Viyell had already been defeated, and Dan was no longer at the scene. ^{Lost Memory}

After this incident, the UG continued to investigate various anomalies across different locations. During their examination of unexplained volcanic activity in the Mt. Fudo of Nagaura City, the team discovered a man who was rich in hydrogen sulfide. After incapacitating him for questioning, they learned that he despised oxygen and had been modified to use hydrogen sulfide as a survival energy source. Shortly thereafter, a murder occurred in a town at the foot of the Misaki Town, and the suspect's photograph was released. Furuhashi was convinced that the suspect was Dan. To clear Dan's name, he requested assistance from UG personnel to locate Dan.

"Kazamori" is investigating traces of mutated humans in Misaki Town.

Due to a previous conflict with Dan during the battle against the Alien Viyell, Kazamori decided to capture him personally and, along with Satomi, set out to investigate the city. On their way, Dan appeared on the road and attacked Kazamori, using his body to impersonate him. "Kazamori" and Satomi entered a city suspected of harboring "alien activity" under the guise of job seekers. After being loaded into a van with other job seekers, they were taken to a facility. There, they were instructed to wait in a room but soon found themselves imprisoned. Satomi was subsequently attacked by the Alien Guts. As "Kazamori" heard Satomi's screams and ventured deeper into the facility, he encountered Shami, a mysterious girl Den had met at a bar in the Misaki Town.

"Kazamori" transforms into Ultraseven.

Natsumi revealed that she was one of the mutated humans living on sulfur bacteria. As volcanic activity increased and Earth's future grew uncertain, she agreed to the Guts Alien's request to abduct humans and implant them with sulfur bacteria. "Kazamori" transformed into Ultraseven to rescue the victims but was ultimately overpowered by the Guts Alien. Before leaving, Natsumi gave Ultraseven a disc titled "The Only Way to Save Humanity," which detailed how the mantle plume triggers a cycle of extinction to reset the planet with new dominant life forms, having already claimed the dinosaurs. The Alien Guts aimed to preserve humanity for a few more years, although no specific date was provided for the impending mantle plume disaster.

Upon learning this information, the TDF leaders were at a loss. However, to rescue the victims who were on the verge of undergoing sulfur bacteria implantation, the UG decided to attack the facility without seeking further assistance from the Guts Alien. During the mission, Kazamori managed to rescue the unconscious Satomi. When he tried to persuade Natsumi to leave the facility, she chose to perish amidst its destruction, ultimately meeting her end in an explosion. In the climax, "Kazamori" transformed into Ultraseven and defeated the Alien Guts and the summoned Sulfas. When Dan returned to his original form and released Kazamori from the protective ast with his middle and i, Kazamori found himself with no memory of the entire incident.

Dan decided to entrust the future of the earth to young people like Kazamori.

Dan then informed him that contemporary humans were the appropriate candidates to determine their own future. However, before Kazamori could inquire further about his identity, Dan vanished from the scene. As the UG attempted to return to their base, Furuhashi stopped them, mistakenly believing that the real Kazamori was actually the disguised Dan.^{Eternal Earth}

During another mission, gold was discovered in the rural Miyanishi village. This gold was actually the manifestation of the Banderas, which sought to extract negative energy from humanity in order to regain its former glory. This situation prompted an investigation by the UG. At the same time, Den arrived at the scene to conduct his own inquiry. To hinder Dan's efforts, the Banderas unleashed "negative energy" upon Kazamori, Shima, and other civilians present, manipulating them as a form of threat. During his escape, Dan was forced to knock Kazamori unconscious once again, transforming back into his "Kazamori" form to help Shima regain her composure.

After learning about the incident involving the Banderas, the UG team exchanged various opinions, debating whether they could trust the words of the Banderas’s manifestation. Ultimately, they concluded that the star gate needed to be destroyed. Meanwhile, "Kazamori", who remained in Miyanishi village, conversed with Dr. Inada’s granddaughter, Mari. "Kazamori" remarked, "If everyone in the world were like you, the world would be a more peaceful place." However, Mari responded, "I don't think so; I find it interesting because the world is filled with all kinds of people."

Kazamori bids farewell to Ultraseven who left Earth.

Lost in thought, "Kazamori" transformed back into Dan, restoring the original form of the real Kazamori, who was unaware of the situation and began asking Den various questions. Dan did not answer but transformed back into Ultraseven and flew away, revealing his true identity to Kazamori. In the end, following the conclusion of the Banderas incident, the UG members watched the reunion between Dan and Furuhashi, as well as Ultraseven's departure from Earth.^{Betrayal Sun}

Ultraseven 1999: The Final Chapters Hexalogy

Kazamori in Ultraseven 1999: The Final Chapters Hexalogy.

One year later, the TDF was promoting a "Friendship Plan" that aimed to extend across all the planets in the solar system. Furuhashi's final mission before retiring from the TDF was to participate in this initiative and return to the lunar base. Meanwhile, the UG on Earth was preparing a farewell gift for the soon-to-be-retired Furuhashi.

However, communication between Earth and the lunar base was suddenly lost. It was later revealed that the lunar base had come under attack, plunging the facility into a state of destruction, and it was nearly confirmed that Furuhashi had perished in the incident. Furthermore, the personnel who managed to escape from the lunar base also met their end aboard the escape pods. As a result, the investigation team suggested that there were no biological reactions indicating the presence of an enemy, raising the possibility of a terrorist attack by TDF members. Various conspiracy theories began to circulate.

Former UG member Kaji was appointed to replace Furuhashi and take command of the UG. He informed the team that Furuhashi's disappearance and the UG's failure presented an opportunity to change the TDF's direction. However, following an incident in which a TDF mechanic launched the Ultrahawk III and destroyed a city, public distrust in the UG grew exponentially. In a bid to protect Furuhashi's reputation, the UG ignored orders and continued their investigation. Unfortunately, they were soon attacked by a mysterious group on the streets. This group sought to discredit the UG, leading to the team being indefinitely suspended.

In reality, the entire incident was a plot orchestrated by the Alien Valkyrie. After possessing Captain Shirogane and ordering the team members to assemble, the Alien Valkyrie began to secretly take control of other members, attempting to incite them to attack one another. Dan appeared on the scene and subdued the members, but the Alien Valkyrie then possessed Kazamori and confronted Dan. However, Kazamori's will proved strong enough to suppress the Alien Valkyrie, leading him to demand that Dan shoot him to prevent further harm.

"You saved us again. [...] Have I at least done something good for Earth? [...] That's glad to hear."

―Kazamori's final moments in Legends and Glory.

Under the control of Alien Valkyrie, Kazamori, driven by his will to protect Earth, willingly sacrificed himself at the Dan's gun.

Ultimately, Dan fired at Kazamori, resulting in serious injuries. After the Alien Valkyrie was defeated, Seven rushed to Kazamori's side. In a state of confusion, Kazamori confirmed that he had indeed made sacrifices for Earth before collapsing into Seven's arms. Moved by Kazamori's selflessness, Ultraseven transformed back into Kazamori's form to continue his efforts in his stead. Meanwhile, the real Kazamori was placed in a capsule for long-term treatment.^{Legends and Glory}

After a year of completing various missions, a mysterious archaeological site was uncovered in China. Believed to be 15,000 years old, the site exhibited characteristics of an advanced civilization that could not have been created by humans. An out-of-place artifact resembling a coffin was set to be transported by the UG. When "Kazamori" arrived at the site, he received a telepathic message from a mysterious woman urging him to "seek the truth."

After completing the mission, "Kazamori" and his teammates were chatting when the conversation shifted to a rumored department within the TDF known as the "Omega Files," information that was supposedly not meant for public knowledge. That evening, the mysterious woman appeared before "Kazamori". She revealed that she knew Kazamori's true identity as Ultraseven and insisted that he seek the truth. Subsequently, Kazamori infiltrated the TDF shelter to examine the out-of-place artifact. However, he was quickly discovered and captured by TDF officers and soldiers. Kaji, a staff officer, appeared before the detained "Kazamori", seemingly concealing something important.

As a result, "Kazamori" was placed on extended leave. While transformed into Dan and visiting the grave of Furuhashi, who had died in a previous battle, the woman reappeared. It was revealed that her true identity was Nonmalt, a being from a civilization that had been destroyed by the species now known as humanity. When Den demanded evidence of her claims, she informed him that the TDF was actively hiding the truth.

Knowing that "Kazamori" may be an alien, UG captures him on the spot.

The UG arrived and, upon learning that "Kazamori" might be an alien, detained him. Angered, "Kazamori" demanded that officer Kaji disclose the information contained in the Omega Files to all civilizations in the universe. However, his request was denied. Captain Shiragane visited the imprisoned "Kazamori", who informed him that, according to universe standards, protecting an aggressor was unacceptable. He emphasized that if Earth was indeed obtained through aggression by its ancestors, then the inhabitants of Earth should proactively disclose the truth in the Omega Files.

"Kazamori" revealed to the UG members that he is actually Ultraseven and vowed to return the real Kazamori to them.

Believing in "Kazamori"’s innocence, the UG decided to rescue him. At that moment, however, Nonmalt summoned Zabangi to attack the hidden refuge of Opatz. Upon learning this, Kazamori revealed his true identity as Ultraseven to his friends and utilized the capsule monsters Windom and Miclas to stop Zabangi. He then transformed into Ultraseven and headed for the location of out-of-place artifact.

Ultraseven transformed back into Dan and, through the out-of-place artifact, located Furuhashi, who had been resurrected by Nonmalt. This encounter revealed the historical truth about humanity's ancestors invading Nonmalt. Filled with hatred for humanity, Nonmalt opposed the idea of Earthlings acknowledging their past mistakes and repenting to cosmic civilizations. She attempted to have Zabangi destroy the antenna responsible for transmitting the Omega Files. In response, Dan transformed into Ultraseven to intervene, successfully defeating Zabangi, but in doing so, he violated cosmic laws.

Kazamori being reunited with his teammates.

Before leaving Earth, Ultraseven reflected on his actions, affirming that he had never regretted what he had done to protect those he loved. He returned the fully healed Kazamori to his teammates.^{I Am an Earthling}

Ultraseven 35th Anniversary: EVOLUTION

Kazamori in Ultraseven 35th Anniversary: EVOLUTION.

After Ultraseven left Earth, an organization claiming to be the "Alliance of universe Intelligent Life Forms" sent a proposal for a peace treaty promoting non-aggression among humans. Five years have passed since then, and Earth has remained free from invaders. Following the incident with Nonmalt, Kazamori withdrew from UG and became a wanderer. Due to his prolonged fusion with Ultraseven, he discovered that a part of Seven still resided within him, granting him superhuman abilities.

One day, Kazamori reunited with Satomi, who had become a reserve member of UG. During their conversation, Kazamori expressed a profound sense of loss he felt since separating from Ultraseven. Later, during an incident involving the Alien Pegassa, Kazamori thwarted an attack by several Alien Pegassa disguised as TDF members while rescuing Yuki Kisaragi, a new member of UG. It was revealed that TDF had been infiltrated by the Alien Pegassa. These surviving members of the Pegassa race sought revenge against Earth for launching missiles that had destroyed their city years ago.

However, the Alien Pegassa were divided into two factions: radicals and moderates. Upon learning that the invading faction planned to use a dark zone to transport humanity to another dimension, Kazamori accepted a request from the moderate leader, Teacher Sayuri, He retrieved mechanical devices from the TDF base that originated from Pegassa City. These components were essential for assembling a device capable of neutralizing the aggressive "dark zone." Ultimately, in a bid to protect everyone, Teacher Sayuri disappeared after the attack on the dark zone. However, before the assault, she advised Kazamori, saying, "You should listen to the voice of your other self; he is locked in a prison in the Horsehead Nebula ."^{Dark Side}

Because part of Ultraseven's power remained within him, Kazamori was able to re-establish contact with Ultraseven once again.

About a month after the Alien Pegassa incident, the UG decided to destroy the TDF headquarters. Before the incident, Kazamori encountered Seven once again in a dream, amidst the mist. However, Seven did not respond to any of Kazamori's questions; only the beam on his forehead lit up.

At the same time, the TDF was compromised as aliens had infiltrated its ranks. Following the dissolution of the UG, all members regrouped, and upon learning about the aliens who were destroying the TDF, they resolved to engage in a futile battle against them. Kazamori assisted them as an outsider. During the mission to destroy the headquarters, he and Satomi rescued UG members. However, feeling confused about Ultraseven, Kazamori realized he still did not fully understand himself and disappeared before Satomi. Before leaving, he left her with a parting message: "Call for me when you're in trouble, and I will come no matter when."^{Perfect World}

With Earth in dire straits, Kazamori longs to gain the power of Ultraseven again.

Before being imprisoned in the Horsehead Nebula, Ultraseven bestowed part of his power upon Kazamori. After the collapse of the TDF, Earth came under attack from new aliens, prompting Kazamori to seek additional strength from Ultraseven. In response, he was shown a vision of "the existence of human enemies," which appeared as the silhouette of a child. However, this marked the end of his communication with Ultraseven. A mysterious alien—now referred to as "Alien Garut" —then appeared before Kazamori. Garut stated that their purpose was to witness the moment of biological evolution. He warned Kazamori that interfering with the evolution of living beings contravened the laws of the universe.

Subsequently, Kazamori met with Satomi and remarked, “The upcoming battle may be the toughest one we have ever fought.” However, he also confided that he was not the person she hoped he would be, unable to contribute to either Earth or the universe; he saw himself merely as an incomplete man. While Kazamori longed for the power of Ultraseven, he understood that doing so would mean relinquishing his identity as a human being.

Kazamori hesitated over his true desire to become Ultraseven. Even if he fulfills everyone's expectations, he might ultimately lose his true self in the process.

Afterward, in a moment of confusion, Kazamori visited a temple where he encountered a statue of Buddha. He noticed that the statue's forehead bore a “Urna” similar to the beam on Ultraseven's head, representing the third eye. The abbot explained that the Buddha's radiance emanated from this Urna, known as the heavenly eye or heart eye, which even enlightened individuals could possess. Enlightenment, he said, was not about becoming a wholly different self but rather taking a step closer to the truth.

The "New Humans", while being Earthlings, had developed abilities that rivaled those of aliens. In fact, these New Humans were attempting to replace Old Humans as the rulers of the Earth. Kazamori began to doubt the capability of the still-small population of New Humans to conduct large-scale mind control and suspected that Alien Garut might be manipulating events from behind the scenes.

After witnessing Satomi's death, Kazamori finally made up his mind to abandon who he had been until now.

As the new humans began attacking the UG, a girl named Mayuko was influenced by her interactions with Yuki, unleashing supernatural powers to confront the other new humans. However, a TDF soldier, who had escaped from mind control, opened fire on Mayuko, who was exhibiting strange powers, resulting in Satomi being shot while trying to protect both Yuki and Mayuko. Kazamori arrived on the scene after repelling the Alien Garut, only to find Satomi taking her last breath, leaving him heartbroken. However, Satomi’s wish reached Ultraseven, who was imprisoned in the Horsehead Nebula, leading to his revival.

Seven's particles merged with Kazamori's particles, allowing Kazamori to become "concentric" with Ultraseven.

At the same time, Kazamori's emitted light fused with Ultraseven's, transforming him back into Ultraseven once again. He engaged in battle with Neo-Pandon, who emerged from the ground.^Neverland

During the fight, Neo-Pandon shot a substance resembling light particles into the ground before disappearing. Subsequently, Kazamori discovered a mysterious girl named Mitsuko, who radiated light and restored the surrounding natural environment. He attempted to follow her but lost her trail, eventually searching for her at a private residence outside the village. It appeared that Mitsuko was the daughter of an elderly resident living there.

That night, Kazamori encountered a mysterious man controlling Neo-Pandon, who claimed that the “old humans” had killed Mitsuko's friends. The next day, he saw Hikari, who had rapidly grown, and she communicated telepathically, urging him not to kill her friends. It was revealed that Mitsuko was not the elderly man's biological daughter but a "Plant Life form" evolved from Earth’s vegetation, providing the old man with effective herbal remedies.

Kazamori decided to protect the plant life forms named "Mitsuko".

The UG suspected a connection between Mitsuko and the mysterious seeds and attempted to approach her. Kazamori wanted Mitsuko to leave the area, fearing that the old man would not accept her. He urged Captain Shiragane to halt the investigation, pointing out that the plant life forms were working to heal the Earth. However, Captain Shiragane believed these seeds could be weapons of an alien invasion and ordered the investigation to continue, leading to a divergence between the two sides. At the same time, the man controlling Neo-Pandon contacted Mitsuko, informing her that humans were exterminating plant life forms like her and urging her to escape. Just then, Shima and Mizuno arrived on the scene in an attempt to capture Mitsuko. The man managed to escape with Mitsuko and used a telepathic device to summon a Neo-Pandon.

Kazamori transformed into Ultraseven and engaged in battle with Neo-Pandon; however, Mitsuko did not wish to fight and pleaded with the man to stop the conflict. Ultimately, the man relinquished control of the device, temporarily halting Pandon's movements. But Shima seized the control device, causing Pandon to resume its attack. Mitsuko attempted to convey a message to Shima through telepathy, but Shima's hostility was read by the control device, resulting in Pandon becoming even more aggressive. In a tragic turn of events, Shima fired at Mitsuko, hitting her and causing her to fall to the ground. In a daze, Shima dropped the control device, which quieted Pandon long enough for Ultraseven to defeat it.

Kazamori stole the last seeds of plant life forms from UG. Determined to protect plant life forms even if we are in opposition to UG.

After learning of Mitsuko's death, Kazamori seized the last seed of the plant life form from the UG and left his former companions behind.^Innocent

Kazamori then teamed up with the second "Mitsuko," who had already grown from the final seed, to continue their escape from the UG. The Alien Garut, who had been cooperating with the extraterrestrial invaders, claimed he was acting according to the "Akashic Records" and attempted to recruit Kazamori into his organization. Kazamori refused, stating he wanted to witness the Akashic Records for himself. He personally took Mitsuko to the Urusu Shrine, which housed an ancient system capable of accessing the Akashic Records.

The Akashic Records depicted the evolutionary tree of life on Earth, illustrating that human evolution had ceased while the trunk of plant life was continuing to grow, indicating that humanity would be replaced. Upon arriving at the Urusu Shrine, Kazamori and Mitsuko encountered Yuki. Soon after, they were attacked by Alien Garut and were forced to take refuge in a cave, where they discovered that the Akashic Records opened a gateway to another dimension. At that moment, Yuki's former superior, Suwa, from the special forces, appeared. It turned out that four years prior, Yuki and Suwa were the only survivors responsible for investigating the Akashic Records. Following the guidance of the Akashic Records, Suwa betrayed the TDF to protect the plant life form.

However, the Alien Garut attempted to use the plant life form as a puppet to control the Earth. After killing Suwa, Suwa essence merged with Yuki, leading to the activation of new neurons implanted in her brain, awakening her as a new human and making her a bridge between humanity and the plant life forms. She subsequently led Kazamori to the location of the Akashic Records.

Kazamori receiving a copy of Akashic Record, which was a miniature replica of an Evolutionary tree formed from Satomi's writings.

Kazamori personally confirmed the Akashic Records, which depicted a future where humanity would thrive alongside two new races: humans coexisting with new neurons and plant life forms. Humanity was originally destined for extinction in an evolutionary dead end, but the possibility of survival opened up through symbiosis and evolution with the new neurons. Meanwhile, the Alien Garut sought to rewrite the Akashic Records to use them for their own ambitions. Kazamori transformed into Ultraseven and began fighting against the Alien Garut and Gaimos. Ultimately, with the assistance of the UG, Ultraseven defeated the Alien Garut and Gaimos.

After the battle, Kazamori once again departed from the UG. Walking alone along the coastline, he began to contemplate another possibility. He speculated that the future in the Alien Garut's records, where humanity was destined for extinction, might be true, but some "other existence" had altered the records to ensure cooperation between humans and plant life forms for survival. Although tampering with the Akashic Records—an act that changes the fate of the planet—was regarded as a grave crime, Ultraseven, being an alien who loved humanity, could not condemn that existence for risking this transgression to protect humanity. At this moment, Kazamori, who had become one with Ultraseven, realized that if humanity faced another crisis, he might also choose to violate taboos for their sake.

Kazamori, who has been fully integrated with Ultraseven, finally embarks on a lonely journey.

As he watched the Akashic Records transform before him into a Dragonic Saucer, reflecting Satomi's image, Kazamori ultimately chose to live alongside Ultraseven, recognizing that he could not resolve the situation solely with his own strength. Thus, he set off on a lonely journey. ^{Akashic Records}

Transformation

Ultra Eye: Kazamori uses the Ultra Eye to transform into Ultraseven. To transform, Kazamori places the device on his face and he is transformed into Ultraseven.

Kazamori holds the Ultra Eye

Transformation

Transformation (EVOLUTION)

Powers and Weapons

• Training: Kazamori was well trained during his days as a member of the UG. He had mentioned that before his recruition into the team, Masaki had trained to lift up a load of 100 kg and carry it on his back all night.
• Ultra Eye: Using the Ultra Eye, Kazamori can transform into Seven.
• Enhanced Strength and Agility: After his separation with Seven, Kazamori showed that he could fight Alien Garut evenly despite the alien being stronger than a human.
• Energy Blast: After his separation with Seven, Kazamori showed he could fire a transparent energy blast with his middle and index finger.
• Barrier: After his separation with Seven, Kazamori showed he could create a transparent energy shield with his hand, he could convert into a blast.
• Energy Projection: Kazamori once heated up a glass of water to dissolve a tablet, he did so with yellow energy from his hands.
• Telepathy: Even after his separation from Seven, Kazamori had telepathic abilities.

Trivia

• In Eternal Earth, Seven's first attempt at disguising as Kazamori has him speaking in Dan's voice before it changes into a deeper version of Kazamori's usual voice. As the episode goes on, it indicated that Seven has grow accustomed to the Kazamori disguise that his voice finally matches the young man's usual tone.
• Kazamori has an aversion of being nicknamed "Kazamori-kun" by his teammates, as Dan used this once to provoke the young man into attacking him. This trait was never carried out to Seven when he masqueraded as the young man during events of The Final Chapters Hexalogy, and is eventually brought up when the real Kazamori was finally returned at the end of I Am an Earthling.

• According to the information in Captain Shiragane's review of Kazamori's personal file, Kazamori stands at a height of 174 cm, weighs 60 kg, and has a blood type of AB+.
• Masaki's powers after his departure from Seven implied that like Shin Hayata in the 2011 manga ULTRAMAN, he gained Ultra genes from his Ultra partner, whether he could pass them on to his children is unknown.
• According to a 2021 and 2022 interview with Katsuyuki Yamazaki, in 1998, after participating in various auditions, he attended Tsuburaya Productions' "UG Member Recruitment" event. The selection took place at Tsuburaya Productions' headquarters in Soshigaya-Ōkura, and the process involved about five rounds. The judges included producer Masahiro Tsuburaya. The selection involved script readings, simple performances, and action evaluations. Finally, around five male and female actors were lined up together, and after assessing the overall balance when we stood together, he was ultimately selected for the role of Kazemori.
  • Initially, the production team did not inform him that Kazemori would transform into Ultraseven in the series, which left him feeling confused. It is said that there was even a consideration to have Wataru Koga, who played Takuma Mizuno, transform into Ultraseven instead.
  • During the action training held at Tsuburaya Productions' headquarters, Hiroyuki Okano, who portrayed monsters and Ultraseven, taught Yamazaki how to perform falls and hold a gun. He also went through costume fittings. When he was told that Kazemori would transform into Dan, he was initially at a loss and felt quite confused. He thought, "Maybe I can differentiate the two characters through voice changes." On set, Yamazaki carefully observed Kohji Moritsugu's performance and habits and learned from him.
  • In the Ultraseven 1999: The Final Chapters Hexalogy, since the story's premise was that the real Kazemori was trapped in an capsule and Yamazaki was playing the transformed version of Kazemori after Dan's transformation, he constantly pondered what the creators wanted to portray and what his character's responsibilities were. He made an effort not to damage Dan's image and Ultraseven's legacy. Yamazaki reflected, "If I were Dan, how would I act?" and tried to portray Kazemori with a calm demeanor.
  • In the 2002 Ultraseven 35th Anniversary: EVOLUTION, Yamazaki's final scene as Kazemori was filmed at the Nikkatsu Studio. By then, the other actors had finished their scenes, leaving Yamazaki alone in the spotlight, deep in thought. When the filming was complete, Yamazaki felt a deep sense of satisfaction from having fulfilled his role. Since this time Kazemori transformed using his own power with the help of Seven, Yamazaki approached the performance from the perspective of "What would Kazemori become when he incorporates Dan's will?" to highlight the differences from previous series.

Kazamori and Satomi attend TSUBURAYA CONVENTION 2023.

• Yamazaki still keeps Kazamori's UG uniform, and he wore this uniform again with Kaoru Ukawa during the fan meeting at TSUBURAYA CONVENTION 2023.
  • Due to his physique, Yamazaki couldn't fit into the uniform jacket, so during the event, he borrowed Mizuno's jacket, which had been kept by Wataru Koga.