Also known as: 1stpro, いちプロ, FIRSTSTAGEPRODUCTION, FIRSTSTAGEPRODUCTION_EN
Also known as Ichipro for short, is a VTuber agency established by REALITY Studios Inc., a virtual talent management company based in Tokyo, Japan. On May 5th, 2026, it announced that its Japanese branch would close down on June 30th. Their English branch would continue operations, however.
Members
1st Generation
Debuted in March 2023.
- Akane (1stpro) (graduated 8/31/24)
- Amae Ten (graduated 8/31/24)
- Kamiyori Shihai (graduated 8/31/24)
- Leta (1stpro) (graduated 12/31/23)
- Mushanokoji Eli (graduated 1/31/24)
- Rose Swing! (graduated 8/31/24)
- Yuragi Riu (terminated 11/2/23)
2nd Generation
Debuted in September 2023.
- Akemi Haine
- Kurosaki Taiga (graduated 5/31/26)
- Mochituke Nullpo
- Mutogi Nanone (terminated 11/24/25)
- Perfect Bomber
- Ryugahama Yue
- Tsukigami Len
- Yuyu Yura
3rd Generation
Debuted in March 2023.
- Akezaku Machi (terminated 7/25/24)
- Amanosakura Tsumugihime (graduated 1/31/25)
- Big Guilty Akuma Guilty-Chan (terminated 12/14/24)
- Edgar Fleming (graduated 4/30/25)
- Endoluphy (transferred to Sorabin)
- Kaitou Saphir (terminated 5/31/25)
- Soda Cosmo (graduated 3/16/25)
- Zashikino Waraku (graduated 3/16/25)
4th Generation: Coloris
Debuted in October 2024.
- Hakanai Ruby (Vtuber) (graduated 4/30/26)
- Himemiya Honoka (IchiPro)
- Hoshikage Tetra (graduated 5/24/26)
- Kozumi Arisa (graduated 3/31/26)
- Nema Filluna (terminated 12/16/25)
- Nilim Snowmelt
- Nyapupu Marina
5th Generation: Sorabin
Debuted in June 2025.
- Endoluphy (became solo, then graduated 2/28/26)
- Shikimori Kotori
- Namiyoi Kanade
- Ruru Rara Rily
- Hinomiya Himari
- Ruunell Genius (graduated 12/31/25)
- Mofuchu Taisa (graduated 5/17/26)
EN 1st Generation: Avallum
Debuted in January 2024.
- Cassian Floros "Cass"
- Gale Galleon
- Lucien Lunaris "Luci"
- Rosco Graves
- Zander Netherbrand "Zanny"
EN 2nd Generation: Ravanis
Debuted in November 2024.
- Altus Zendoji
- Malim Cendari
- Nayuta Umbrage "Nayu"
- Nix Voltare (terminated 12/23/25)
- Ryzar Blazenfang
EN 3rd Generation: Lamentus
Debuted in October 2025.
- Ashkariel "Ash"
- Caelen Strayfe "Cae"
- Elias Delborne "Eli"
- Liron Lockheart
- Shiki Katagami