Seiichiro Nagata

Seiichiro Nagata

Known for

Acting

Born

July 9, 1998 (age 28)

Birthplace

Shizuoka Prefecture, Japan

Biography

In 2016, he made his acting debut in the 3rd season of the musical “The Prince of Tennis”. On October 2, 2017 he transferred from Watanabe Entertainment to SUI Co., Ltd. He is active in 2.5 stages and Musical Touken Ranbu as Murakumo Gou. In November 2023, he appeared in "Kamen Rider Gatchard" and " Kamen Rider Gatchard VS Kamen Rider Legend" as Houou Kaguya Quartz. He left SUI Co., Ltd. on April 30, 2024 and became a freelancer starting May 1, 2024. On July 1st of the same year, he opened his first official fan club and official website.

Best known work

Kamen Rider

Kamen Rider

1971

After Moving Seats, The Boy Behind Me Has A Crush On Me

After Moving Seats, The Boy Behind Me Has A Crush On Me

2026

Kamen Rider Gotchard VS Kamen Rider Legend

Kamen Rider Gotchard VS Kamen Rider Legend

2023

Kamen Rider Gotchard

Kamen Rider Gotchard

2023

Kamen Rider Gotchard: The Future Daybreak

Kamen Rider Gotchard: The Future Daybreak

2024

Kamen Rider Gotchard Short Anime: Gotcha the Seven Mysteries of Furasu High!

Kamen Rider Gotchard Short Anime: Gotcha the Seven Mysteries of Furasu High!

2024

Musical Touken Ranbu: Tokyo Kokoro Oboe

Musical Touken Ranbu: Tokyo Kokoro Oboe

2021

Labyrinth Opera: Pretty Boy Detective Club

Labyrinth Opera: Pretty Boy Detective Club

2022

No. 1 Sentai Gozyuger Anniversary Discussion

No. 1 Sentai Gozyuger Anniversary Discussion

2025

Psychic Detective Yakumo: Bias of Thought

Psychic Detective Yakumo: Bias of Thought

2023

Filmography

2026
After Moving Seats, The Boy Behind Me Has A Crush On MeTV
as Ten Mayama (8 episodes)
2025
Musical Touken Ranbu: Gou on Stage Countdown Party
as Murakumo Gou
2025
Kakegurui Stage
as Ryota Suzui
2025
Musical Touken Ranbu - Medetaya Uta no Homare Hananomai - 10th anniversary
as Murakumo Gou
2025
Musical Touken Ranbu: Gou on Stage Zepp Tour Reboot
as Murakumo Gou
2025
Touken Ranbu: The Musical - Gou on Stage Zepp Tour Reboot
as Murakumo Gou
2025
Labyrinth Opera: Pretty Boy Detective Club Continued
as Michiru Fukuroi
2025
No. 1 Sentai Gozyuger Anniversary Discussion
as Kamen Rider Legend (voice)
2024
Musical Touken Ranbu: 9th Anniversary Festival
as 村雲江
2024
Kamen Rider Gotchard: Final Stage
as Ho-Oh Kaguya Quartz/Kamen Rider Legend
2024
Kamen Rider Gotchard Final Episode: You and Me, We've Got CHEMY×STORY - Director's Cut Version
as Ho-Oh Kaguya Quartz / Kamen Rider Legend
2024
Kamen Rider Gavv: Transformation LessonsTV
as Ho-Oh Kaguya Quartz / Kamen Rider Legend (voice) (1 episode)
2024
Kamen Rider: Reiwa's Gorgeous Sports DayTV
as Kamen Rider Legend (voice) (4 episodes)
2024
Kamen Rider Gotchard: The Future Daybreak
as Ho-Oh Kaguya Quartz / Kamen Rider Legend
2024
Kamen Rider Gotchard Short Anime: Gotcha the Seven Mysteries of Furasu High!TV
as Houou Kaguya Quartz (5 episodes)
2023
Musical Touken Ranbu: Gou on Stage Zepp Tour
as Murakumo Gou
2023
Musical Touken Ranbu: Gou on Stage ~Shinpen Satomi Hakkenden~
as Murakumo Gou
2023
Nanashi: Seventh Special Cause of Death Department: The Stage
as Tsuyobi
2023
Kamen Rider Gotchard VS Kamen Rider LegendTV
as Houou Kaguya Quartz / Kamen Rider Legend (2 episodes)
2023
Musical Touken Ranbu: Suehirogari Ranbu Yagai Matsuri
2023
Kamen Rider GotchardTV
as Ho-Oh Kaguya Quartz / Kamen Rider Legend (50 episodes)
2023
Psychic Detective Yakumo: Bias of Thought
as Yaguchi
2023
Nanashi: Seventh Special Cause of Death DepartmentTV
as Tsuyobi (8 episodes)
2022
Musical Touken Ranbu ~Shinken Ranbu Sai 2022~
as Murakumo Gou
2022
Mob Psycho 100 (Crash! Claw's 7th Branch)
as Shou Suzuki