Crazy Fantasy is a Japanese idol group formed in February 2022. They debuted on April 16th, 2022. Project WACK-Chin Audition finalist RiA is a member of the group, under the name Phantom of the RiA. Their concept is centered around RPG. Members: Phantom of the RiA (Founding member) TaberenAi GUMi (Founding member) Former Members: Tsukasa・Chachaworld (Joined September 28th, 2024; Graduated October 19, 2025) Mikuru・Lunamousse (Joined September 28th, 2024; Graduated October 19, 2025) Read more on Last.fm