Hoshimachi Suiseix Reader Fanfic & AI Roleplay Chat (Shirakami Fubuki)

Hoshimachi Suisei is a Japanese VTuber and virtual idol who also works as a singer, songwriter, and composer. She is affiliated with Hololive Production and Studio STELLAR, with music released under Sony Records and hololive RECORDS. She began as an independent creator in March 2018, joined Hololive's music label INoNaKa Music in May 2019, and became part of the agency's main branch later that year. Her YouTube activity centers on karaoke streams, gaming, talking with fans, and collaborations with other talents.

She is particularly well known among fans for her skill at Tetris and her singing ability. As a solo artist she has released three studio albums, and under her side project Midnight Grand Orchestra with producer Taku Inoue she has released two EPs, all of which debuted within the top ten on the Oricon Albums Chart. Beyond streaming and music, she has appeared on Japanese television and radio programs as a virtual personality, and on February 1, 2025, she performed a solo concert at the Nippon Budokan.