Personal Info
Birth date
1998-07-09 (26 Years)
Gender
Male
Known for
Acting
Place of birth
Shizuoka Prefecture, Japan
Also known as
永田 聖一朗
Seiichirou Nagata
Nagata Seiichiro
Seiichiro Nagata
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.
Filmography
Kamen Rider
6.4
Overview:
Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.Kamen Rider Gotchard
10
Overview:
A mysterious alchemist studies and experiments to create "living creatures" called Chemies. Unfortunately, the cards holding them that should have been kept secret are accidentally unleashed on the world. High school student Houtarou Ichinose is tasked to retrieve all the Chemies released around the world. Using the Grasshopper Chemy, Hopper-1, and the Steam Locomotive Chemy, Steamliner, he transforms into Kamen Rider Gotchard!Kamen Rider Gotchard Short Anime: Gotcha the Seven Mysteries of Furasu High!
8
Overview:
A short anime series featuring the characters of Kamen Rider Gotchard, set in Furasu High School.Nanashi: Seventh Special Cause of Death Department
NYR
Overview:
In the Special Cause of Death Department, seven unusual shinigami tell the final stories of human's lives.Kamen Rider Gotchard VS Kamen Rider Legend
8.5
Overview:
Houtaro is suddenly transported to a parallel world. Awaiting him is a young man named Houou Kaguya Quartz who summoned him using that world's technology, the Aurora Curtain System. His favorite phrase is "Gorgeous" and he protects the world from the clutches of the evil organization called "Hundred". What's more, the person following Kaguya is a butler named Butler, who looks exactly like Houtaro's friend Ryo Kajiki!Kamen Rider Gotchard: The Future Daybreak
8
Overview:
Houtaro and friends are suddenly attacked by Glion. As they struggle against enemies that appear one after another from a space-time gate, they discover that enemies have been sent from the future! To protect the present and the future, Houtaro and Rinne travel through time and space to the devastated future. Thus the final battle, with everything on the line, finally begins!Psychic Detective Yakumo: Bias of Thought
NYR
Overview:
College student Yakumo Saito can see ghosts with his red left eye. Associate professor Gakuto Mikoshiba is a genius mathematician. When a ghost begins possessing students at the college, the two must team up to discover the truth of what's going on.No. 1 Sentai Gozyuger Anniversary Discussion
NYR
Overview:
Ahead of No. 1 Sentai Gozyuger's premiere, in a conference room somewhere, Gokai Red, Zenkaizer, Kamen Rider Decade, Kamen Rider Legend, and Gozyu Wolf are sitting in a discussion table. They are engaged in a heated debate about whether Gozyuger should be recognized as an anniversary. What will be the outcome?!Musical Touken Ranbu: Memories of Tokyo
10
Overview:
Eight Touken Danshi visit Tokyo throughout time as they are trapped between an alternative timeline and the one history remembers.Labyrinth Opera: Pretty Boy Detective Club Continued
NYR
Overview:
The long-awaited sequel to the Labyrinth Opera "Pretty Boy Detective Club" stage adaptationMusical Touken Ranbu: Gou on Stage ~New Satomi Hakkenden~
NYR
Overview:
Kotegiri Gou leads seven other Touken Danshi in making a stage production of Nanso Satomi Hakkenden.Labyrinth Opera: Pretty Boy Detective Club
10
Overview:
The first musical adaptation of the anime Pretty Boy Detective Club, known in Japan as Bishōnen Tanteidan.Kakegurui Stage
NYR
Overview:
Stage play adaptation of Kakegurui. It will be running at Tokyo (Theater H) from September 5 - September 14th, 2025Musical Touken Ranbu: Gou on Stage Zepp Tour
NYR
Overview:
The Gou swords and their friends Oodenta Mitsuyo and Suishinshi Masahide stage a concert tour based on songs featured in 2022's Gou On Stage musical at Zepp venues from December 2023 - January 2024.Musical Touken Ranbu: Gou on Stage Zepp Tour Reboot
NYR
Overview:
The reboot version of Touken Ranbu's 2023 Zepp tour.Touken Ranbu: The Musical - Gou on Stage Zepp Tour Reboot
NYR
Overview:
2025 reboot of the 2023 Gou on Stage Zepp TourNanashi: Seventh Special Cause of Death Department: The Stage
NYR
Overview:
In the Special Cause of Death Department, six unusual shinigami tell the final stories of human's lives.Kamen Rider Gotchard Final Episode: You and Me, We've Got CHEMY×STORY - Director's Cut Version
NYR
Overview:
The Director's Cut version of Kamen Rider Gotchard's final episode, "This is My and Your CHEMY×STORY". It will features new scenes not seen in the original TV broadcast.Mob Psycho 100 ~Ura tai Ura ~
NYR
Overview:
Second stage play adaptation of MOB PSYCHO 100, now following Ritsu's Arc.Musical Touken Ranbu ~Shinken Ranbu Sai 2022~
NYR
Overview:
The 2022 concert for the Musical Touken Ranbu series.Anaden vol.2 "Nosferatu in the Mist - The Legend of Dracula"
NYR
Overview:
In the 15th century, Vlad III, king of Wallachia, was in deep despair after his beloved queen was killed in battle. He cursed God and vowed to live forever in the darkness to take revenge on the world. In the 19th century, Jonathan Harker, a novice lawyer, is asked by a Romanian aristocrat to help him buy a property in London. The aristocrat, who calls himself "Count Dracula," has an eerie aura about him, but also a mysterious charm that captures people's hearts. However, Harker soon learns that Count Dracula is actually a terrifying immortal vampire. After discovering the Count's true purpose, he and his friends rise up to stop it.Brain Crash Theatre [Dramatical Murder]
NYR
Overview:
DRAMAtical Murder, a popular BL game released by Nitro+CHiRAL in 2012, is an adventure game set on the remote island of Midorijima in the future, and the story branches depending on the choices you make. Even in this stage, the story diverges from the middle! In each episode, a story focuses on the characters of Kojaku, Noise, Mink, Clear, and Ren.Acting
2025Kakegurui Stage as Ryota Suzui
2025Musical Touken Ranbu: Gou on Stage Zepp Tour Reboot as Murakumo Gou
2025Touken Ranbu: The Musical - Gou on Stage Zepp Tour Reboot as Murakumo Gou
2025Labyrinth Opera: Pretty Boy Detective Club Continued as Michiru Fukuroi
2025No. 1 Sentai Gozyuger Anniversary Discussion as Kamen Rider Legend (voice)
2024Musical Touken Ranbu: 9th Anniversary Festival as 村雲江
2024Kamen Rider Gotchard: Final Stage as Ho-Oh Kaguya Quartz/Kamen Rider Legend
2024Kamen Rider Gotchard Final Episode: You and Me, We've Got CHEMY×STORY - Director's Cut Version as Ho-Oh Kaguya Quartz / Kamen Rider Legend
2024Kamen Rider Gotchard: The Future Daybreak as Ho-Oh Kaguya Quartz / Kamen Rider Legend
2024Kamen Rider Gotchard Short Anime: Gotcha the Seven Mysteries of Furasu High! (5 Episodes) as Houou Kaguya Quartz
2023Musical Touken Ranbu: Gou on Stage Zepp Tour as Murakumo Gou
2023Musical Touken Ranbu: Gou on Stage ~New Satomi Hakkenden~ as Murakumo Gou
2023Nanashi: Seventh Special Cause of Death Department: The Stage as Tsuyobi
2023Kamen Rider Gotchard VS Kamen Rider Legend (2 Episodes) as Houou Kaguya Quartz / Kamen Rider Legend
2023Kamen Rider Gotchard (50 Episodes) as Ho-Oh Kaguya Quartz / Kamen Rider Legend
2023Psychic Detective Yakumo: Bias of Thought as Yaguchi
2023Nanashi: Seventh Special Cause of Death Department (8 Episodes) as Tsuyobi
2022Musical Touken Ranbu ~Shinken Ranbu Sai 2022~ as Murakumo Gou
2022Mob Psycho 100 (Crash! Claw's 7th Branch) as Shou Suzuki
2022Labyrinth Opera: Pretty Boy Detective Club as Michiru Fukuroi
2021Anaden vol.2 "Nosferatu in the Mist - The Legend of Dracula" as Dracula/Vlad III
2021Musical Touken Ranbu: Memories of Tokyo as Murakumo Gou
2019Brain Crash Theatre [Dramatical Murder] as Aoba Seragaki
2019Mob Psycho 100 ~Ura tai Ura ~ as Sho Suzuki
2018Musical The Prince Of Tennis Concert: Dream Live 2018 as Kikumaru Eiji
2017Musical The Prince Of Tennis Concert: Dream Live 2017 as Kikumaru Eiji
1971Kamen Rider (4 Episodes) as Houou Kaguya Quartz / Kamen Rider Legend