Riku Ônishi was born on 16 May 2006 in Tokyo, Japan. He is an actor, known for Kamen Raidâ × Supâ Sentai: Chô Supâ Hîrô Taisen (2017), Rurôni Kenshin: Sai shûshô - the Final (2021) and Love You as the World Ends (2021).