HomePeople Biography and filmographyRiku Otsu Biography unavailable on TMDB. Movies (6)TV shows (0) Movies (6) KNOCK OUT 66KNOCK OUT 662026 · Self K-1 REVENGE2026 · Self KNOCK OUT 60 K.O CLIMAX 20252025 · Self THE KNOCK OUT2025 · Self KNOCK OUT 2025 vol.22025 · Self Krush 1582024 · Self TV shows (0) No credits available.