Hoshimachi Suisei (星街すいせい) is a female Japanese Virtual Youtuber associated with Hololive Production.
She started her career on March 18, 2018 as an independent V-tuber idol.
On May 19, 2019, Suisei appeared as a surprise guest performer on AZKi’s first live show. It was announced that Suisei and AZKi would be affiliated with Inonaka Music (INNK Music), a music label under Hololive.
She was later transfered from Inonaka Music to Hololive’s main branch on November 29, 2019.
As of December 2020, she has over 600k subscribers.