Hoshimachi Suisei 1st Solo Live "STELLAR into the GALAXY" was a live concert event that took place at Toyosu PIT on October 21, 2021, serving as Hoshimachi Suisei's first solo live concert.
Inui Toko and AZKi appeared as guests.
The Blu-ray of the concert was released on August 31, 2022.
|バイバイレイニー||Bye Bye Rainy|
|自分勝手Dazzling||Jibun Katte Dazzling|
|OUT OF FRAME1|
|ひかりのまち2||Hikari no Machi2|
|The Last Frontier2|
|comet -Midnight Jazz Arrange-|
|天球、彗星は夜を跨いで||Tenkyuu, Suisei wa Yoru o Mataide|
|NEXT COLOR PLANET|
1 with Inui Toko
2 with AZKi