Black Stones / BLAST

Black Stones - normally shortened to Blast (ブラスト, Burasuto?) - is a popular punk band within the series. Ren was once a member of the group, but, after his departure to join Trapnest, they recruit a new member, Shin. They attract a large following, and ultimately sign a deal with Gaia Records.

Members:

Vocalist: Osaki Nana
Guitarist: Terashima Nobuo
Bass player: Okazaki Shinichi a.k.a Shin
Percussion player: Takagi Yasushi a.k.a Yasu