Z5-B5

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

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

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

Current Members

 * Akimoto Maria (秋元まりあ) (Founding member)
 * Alyssa (ありさ) (Founding member)
 * Kanekawa Miyabi (金川雅) (Founding member)
 * Soli (소리) (Founding member)
 * Nanase Ren (七瀬澪) (Founding member)