Z2-A3

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

The first line-up was on August 14, 2022.

Current Members

 * Ichiba Uno (市葉羽乃; ) (Founding Member)
 * Ide Ryoko (井出涼子; ) (Founding Member)
 * Sorano Hina (昊乃ひな; ) (Founding Member)
 * Hanai Rurina (花井瑠莉奈; ) (Founding Member)
 * Himemiya (ひめみや; ) (Founding Member)