Z5-A4

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

Current Members

 * Aone Konoha (蒼音このは) (Founding member )
 * Ari-chan (ありちゃん) (Founding member )
 * Shukuzu Nuko (酒屑ぬこ) (Founding member )
 * Tsubaki Rion (椿りおん) (Founding member )
 * Hanase Saaya (七瀬さあや) (Founding member )