Z5-B3

 is a group within Zero Project. The theme of the group is powerful.

The first line-up was announced on July 9, 2021.

They made their stage debut on August 14, 2021 @KANDA SQUARE HALL.

Current Members

 * Ito Mikana (伊藤望叶) (Founding member)
 * Shirosaki Matsuri (白崎まつり) (Founding member)
 * Nana Cherry (ななチェリ) (Founding member)
 * Noichigo Mikuru (野苺みくる) (Founding member)
 * Hanai Rurina (花井瑠莉奈) (Founding member)