"I... believed in you. Komon-kun, I know you would be able to protect everyone."

―Riko's words in Komon's memories.

Riko Saida (斎田リコ Saida Riko) is a character who appeared in Ultraman Nexus series. She unwillingly became the human host of Dark Faust, a dark giant created by Dark Zagi.

History

Ultraman Nexus

Komon and Riko

One year prior to the series, Riko was an artist and the girlfriend of Kazuki Komon. However during the night when they started dating, Riko and her family were assaulted by Nosferu. While her parents and younger brother were killed by the Space Beast, Riko was murdered in cold-blood by Shinya Mizorogi, who had already merged with Dark Mephisto. Riko was revived afterward and became a puppet to host the female Dark Giant, Dark Faust.

As Faust's battles with Ultraman Nexus grew more violent, Mizorogi began to erase her memories, slowly driving her insane with her unsealed memories of death. When Komon and Himeya found her, Riko was seemingly all gone and she transformed into Faust. Faust and Nexus erected their subspace fields, but Komon was also pulled into their private battlefield. Using him as a sort of hostage Faust overpowered Nexus and began to drain his energy. Komon, unable to accept what became of his beloved, shot at the dark giant while calling Riko's name, reawakening her and vanquishing the giant. Mizorogi, angered at the turn of events, summoned Nosferu to kill Komon.

At the last minute Riko jumped over Komon, taking the blow to her back. The space beast was destroyed by Nexus but the damage was done. Komon found Riko's dying form. After telling him she loved him, she dissipated into particles of Light. Later on, Mizorogi would use her image as one of his illusions to torment Komon and to turn him to the dark side, only to be driven away by Komon's own light from his love and memories of Riko. When Ultraman Noa defeated Dark Zagi in the final episode, she appeared in Komon's memories to congratulate him.

Powers and Weapons

  • Unlike the other Deunamists and Dark Ultra Hosts, Riko demonstrated no physical or mental superhuman abilities nor a transformation item/weapon. However, as Dark Faust's host, she showed remarkable stamina as she shared her injuries and healed very quickly between battles.

Trivia

  • Her actress, Shion Nakamaru also appeared in  Ultra Galaxy Mega Monster Battle: Never Ending Odyssey as Commander Harlan the leader of the Alien Pedan Reionics Hunters and Dail's superior. She also appeared in Ultraman Saga at the end as Takeru's mother.
  • Just like Yuko Minami, Beth O'Brian and Julie, she is the female host of an Ultra but is the second to share genders after Beth and is the first one whose counterpart is a Dark Ultra.
  • She gave Komon the bird-like keychain that he uses as his amulet. The amulet would later be what saved him from Mizorogi's attempts to control him and breaking him out of his depression. 
  • As revealed in episode 32, Riko was grouped with the Deunamists alongside Hiroyuki Misawa. This hinted the fact that Riko is similar to Mizorogi, being potential candidates of Nexus' host but turned into an expendable for the Unknown's plan to come into fruition.
Human Hosts and Forms
Showa Hosts Shin Hayata | Dan Moroboshi | Hideki Go | Seiji Hokuto | Yuko Minami | Kotaro Higashi | Professor Ohtani | Shuuhei Aragaki | Tetsuya Kitajima | Tadao Nambara | Takashi Ueno | Gen Otori | Choichiro Hikari | Kyoko Kodaka | Takeshi Yamato | Ryoko Hoshi | Scott Masterson | Chuck Gavin | Beth O'Brian
Heisei Hosts Jack Shindo | Kenichi Kai | Masaki Kazamori | Genki Kagura | Mysterious Girl | Shin Kenmochi | Agent Sean | Masato Usami | Katsuto Asahi | Daigo Madoka | Tsubasa Madoka | Amui | Ikuru | Yuuto Tamaki | Kazuma Asuka | Shin Asuka | Gamu Takayama | Hiroya Fujimiya | Takeshi Yoshioka (Hyperspace) | Ginga Yumeboshi | Musashi Haruno | Julie | Shunichi Maki | Jun Himeya | Ren Senjyu | Nagi Saijyo | Kazuki Komon | Kaito Touma | Ikuo Hasunuma | Mirai Hibino | Kazuya Serizawa | Ryu Aihara | Shingo Sakomizu | Jin | Run | Shin Moroboshi | Nozomu Taiga | Hikaru Raido | Sho | Daichi Oozora | Akiko Fuji (Ultraman F) | Gai Kurenai | Riku Asakura | Leito Igaguri | Katsumi Minato | Isami Minato | Rosso | Blu | Asahi Minato
Reiwa Hosts Hiroyuki Kudo | Haruki Natsukawa
Evil Ultra Hosts Keigo Masaki | Riko Saida | Shinya Mizorogi | Hiroyuki Misawa | Mitsuhiko Ishibori | Arie Ishikari | Makoto Aizen | Kirisaki
Other Hosts Takeshi Hongo | Kyotaro Kagami | Officer Sakomizu | Goro Kirishima | Yuji Hayase | Tetsuo Hayase | Lily Hayase | Daisuke Misaki | Naoki Tachibana | Koh | Ai Tachibana | Zen Tachibana | Toki Goh | Naoto Sho | Takeshi Todo | Ippei Baba | Yuka Inoue | Mai Midorikawa | Sam Collins | Ai Kumashiro | Akira Kageyama | Rei | Nao | Tomoya Ichijouji | Daisuke Misaki (Glenfire) | Amate | Yuta Hibiki
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