Z3-B5

 is a group within Zero Project. The theme of the group is K-Pop.

The first line-up was announced in June or July 2022.

Current Members

 * Aizu Mei (藍住明以) (Founding Member)
 * Kaito (カイト) (Founding Member)
 * Kusaka Hiiro (日下緋彩) (Founding Member)
 * Shio Yukina (紫桜倖那) (Founding Member)
 * Seru (セル) (Founding Member)
 * MIWOO (Founding Member)
 * Minazuki Reine (水無月黎音) (Founding Member)
 * Yuri (ユリ) (Founding Member)
 * Rui (るい) (Founding Member)