Suisei Hoshimachi

Debut Date: March 22, 2018
Height: 160 cm
Fanbase Name: Stargazers
Illustrator: Teshima Nari
Generation: Solo ("0th gen")

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A female Japanese virtual YouTuber endorsed by hololive.

Currently part of the zero generation wave of hololive, Hoshimachi Suisei was originally an independent VTuber, focusing on making short comedy clips and song covers. She became a member of idol group S:gnal on July 1, 2018, and graduated from the group a month later and resumed activities as an independent. After performing her second original song Tenkyuu, Suisei wa Yoru wo Mataide as a guest at AZKi’s first live, she announced that she would be joining Inonaka Music, a music label under hololive. On December 1, 2019, she was officially transferred from Inonaka Music to hololive’s main branch. On January 20, 2023, she became the first VTuber to be invited to THE FIRST TAKE.

Her dream was to one day hold a live concert at Tokyo Budokan, which she achieved in 2025 for her third solo live concert “SuperNova”.