Z5-A5

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

The first line-up was announced on July 8, 2021.

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

Current Members

 * Airu (あいる) (Founding member)
 * Tsukimiya Ramu (月宮らむ) (Founding member)
 * Toda Moca (兎田もか) (Founding member)
 * Hana Mai (羽菜舞) (Founding member)
 * maasa (Founding member)