"Scarred Souls Shine like Stars"
- ―Series tagline
One day on his way home, a first-year student of Fujiyokidai High School named Yomogi Asanaka meets a mysterious man named Gauma who claims to be a "Kaiju User". Suddenly, a Kaiju and a giant robot, Dynazenon, appear! Yume Minami, Koyomi Yamanaka, and Chise Asukagawa also happen to be passing by, and together with Yomogi they are caught up in a battle with the Kaiju.
- What is a Kaiju User?
- What's Your Reason For Fighting?
- What is a Traitor?
- What is this Thumping Heart?
- What's Lover-Like Mean?
- What Is This Pain?
- What's Our Reason for Coming Together?
- What Is This Wavering Emotion?
- What Are These Overlapping Emotions?
- Which Memories Do You Regret?
As a follow up to each episode, an original voice drama is uploaded to Pony Canyon Anime's YouTube channel, for a duration of one week much like the previous series.
- Gauma (ガウマ ): Daiki Hamano (濱野大輝 Hamano Daiki)
- Yomogi Asanaka (麻中 蓬 Asanaka Yomogi): Junya Enoki (榎木淳弥 Enoki Junya)
- Yume Minami (南 夢芽 Minami Yume): Shion Wakayama (若山詩音 Wakayama Shion)
- Koyomi Yamanaka (山中 暦 Yamanaka Koyomi): Yuuichiro Umehara (梅原裕一郎 Umehara Yūichirō)
- Chise Asukagawa (飛鳥川ちせ Awukagawa Chise): Chika Anzai (安済知佳 Anzai Chika)
- Juuga (ジュウガ ): Hiroshi Kamiya (神谷浩史 Kamiya Hiroshi)
- Onija (オニジャ ): Yuma Uchida (内田雄馬 Uchida Yūma)
- Mujina (ムジナ ): Ayaka Suwa (諏訪彩花 Suwa Ayaka)
- Sizumu (シズム ): Koki Uchiyama (内山昂輝 Uchiyama Kōki)
- Inamoto (稲本さん Inamoto-san): Mariya Ise (伊瀬茉莉也 Ise Mariya)
- Mei (鳴衣 ): Azusa Tadokoro (田所あずさ Tadokoro Asuza)
- Awaki (淡木 ): Jin Ogasawara (小笠原仁 Ogasawara Jin)
- Nazumi (なずみ ): Gakuto Kajiwara (梶原岳人 Kajiwara Gakuto)
- Ranka (らんか ): Rio Tsuchiya (土屋李央 Tsuchiya Rio)
- Kaneishi (金石 ): Hikaru Tono (遠野ひかる Tōno Hikaru)
- Knight (ナイト Naito): Kenichi Suzumura (鈴村 健一 Suzumura Ken'ichi)
- The 2nd (２代目 Ni-daime): Karin Takahashi (高橋花林 Takahashi Karin)
- Director: Akira Amemiya
- Screenplay: Keiichi Hasegawa
- Character Design: Masaru Sakamoto
- Second Character Designer: Mayumi Nakamura
- Dynazenon Design: Tsuyoshi Nonaka
- Kaiju Design: Shinji Nishikawa, Yasushi Torisawa, Hiroshi Maruyama, Kiyotaka Taguchi, Hideo Okamoto, Ichirou Itano, Masayuki Gotoh
- Heroic Animation Chief: Hiroki Mutaguchi
- Mechanic Sequence Director: Gen Asano
- Assistant Director: Yoshihiro Miyajima
- 3DCG Production: Graphinica, Inc.
- 3DCG Chief Director: Shinichi Miyakaze (Graphinica, Inc.)
- 3DCG Director: Kohzi Icikawa (Graphinica, Inc.)
- Art Director: Taketo Gonpei
- Color Design: Hitoki Takeda
- Photography Director: Katsunori Shiradou (Graphinica, Inc.)
- Editor: Masato Yoshitake (Graphinica, Inc.)
- Music: Shiro Sagisu
- Music Production: PONY CANYON
- Sound Director: Fumiyuki Go
- Sound Effects: Eiko Morikawa (Chura Sound)
- Line Producer: Shunsuke Shida
- Animation Producer: Yoshiki Usa
- Animation Production: TRIGGER
- Artist: Masayoshi Oishi (オーイシマサヨシ Ōishi Masayoshi)
- Artist: Maaya Uchida (内田 真礼 Maaya Uchida)
- Lyrics/Composition/Arrangement: RIRIKO
- The series premiere was coincided with the re-airing of Denkou Choujin Gridman episode 22, which was Dyna Dragon's debut episode, on Tsuburaya Productions' official YouTube Channel earlier in the same day.
- The V-Tubers Gawr Gura and Ninomae Ina'nis streamed the first episode of the series on its air date.
- All the episodes have reused frames from SSSS.GRIDMAN.