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

 * Seru (セル; ) (Joined August 2023)
 * Shirasaki Hikari (白咲ひかり; ) (Joined August 2023)
 * Kuriyama Satomi (栗山さとみ; ) (Joined August 2023)
 * Usami Momo (うさみもも; ) (Joined February 26, 2023; Graduated May 30, 2023; Re-joined August 2023)
 * Mito Chinami (美藤千波; ) (Joined August 2023)

Former Members

 * Ide Ryoko (井出涼子; ) (Founding Member)
 * Hanai Rurina (花井瑠莉奈; ) (Founding Member)
 * Ichiba Uno (市葉羽乃; ) (Founding Member)
 * Otomori Yuu (音森ゆう; ) (Joined February 26, 2023, Dismissed May 28, 2023)
 * Sorano Hina (昊乃ひな; ) (Founding Member; Graduated May 30, 2023)
 * Himemiya (ひめみや; ) (Founding Member; Graduated May 30, 2023)
 * Yukino Mahiro (雪野まひろ) (Joined February 26, 2023; Graduated May 30, 2023)