Tetta Seki is a Japanese actor and a member of the dance vocal group, 'ONE N' ONLY'. He was born in Kanagawa, Japan.

Filmography

• 2026The Convenience Store — Takuya Funabashi
• 2026The Day We Embraced the Universe
• 2025Battle King!! Map of The Mind Part 2 — Sanada Shinsaku
• 2025Battle King!! Map of the Mind Part 1 — Sanada Shinsaku
• No.1 No One Can Interfere with Love with the Host — Sora
• 2024100 Seconds of Kenoh: Fight Battle Royale — Ryu Washida
• 2023Battle King!!: We'll Rise Again — Sanada Shinsaku
• ONE N' ONLY “ONE N' LIVE 2023 ~Departure~
• Sakura no Oyakodon — Daichi

Appearances as themselves (3)

• EBiDAN LIVE SCHOOL!!! — Self
• ONE N' ONLY LIVE TOUR 2025 「LUMINA」 — Self
• ONE N’ SWAG 2024 ¿Fiesta? — Self