Z3-A3

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

The first line-up was announced on March 16, 2022. During that time, other members were promoted to the group with the Z3 league officially ending on June 23, 2022.

The second line-up started on August 14, 2022.

Current Members

 * Kokeshi (こけし) (Joined March 6, 2023)
 * Hoshino Himari (星乃ひまり) (Joined March 6, 2023)
 * Rio (りお) (Joined March 6, 2023)
 * Wakamiya Yuriko (若宮ゆりこ) (Joined March 6, 2023)

Former Members

 * Alyssa (Founding member)
 * Tsuno Hirona (津野紘菜) (Founding member)
 * maasa (Founding member)
 * Maishi Makoto (舞石まこと) (Founding member)
 * MIWOO (Founding member)
 * Ichiba Uno (市葉羽乃) (Joined May 2022)
 * Asahina Rin (朝比奈凛) (Joined May 2022)
 * Ueda Moca (上田望夏) (Joined May 2022)
 * Sorano Hina (昊乃ひな) (Joined May 2022)
 * Himemiya (ひめみや) (Joined May 2022)
 * Mito Chinami (美藤千波) (Joined July 2022)
 * Ari-chan (ありちゃん) (Joined August 14, 2022)
 * Yamada Nao (山田菜緒) (Joined August 14, 2022)
 * Ikeda Haruki (池田遥希; ) (Joined August 14, 2022)
 * Uyugu (うゆぐ; ) (Joined August 14, 2022)
 * Sato Suzu (佐藤寿々; ) (Joined September 2022)
 * Shichinohe Asami (七戸あさみ; ) (Joined August 14, 2022)
 * Maria (まりあ; ) (Joined September 2022)
 * Suzu-chan (すずちゃん; ) (Joined October 25, 2022)
 * Misaki Rikka (みさきりっか; ) (Joined October 25, 2022)
 * Shirano Koko (白埜ここ; ) (Joined October 25, 2022)
 * Shirayuki Rara (白雪らら; ) (Joined October 25, 2022)
 * Hiiragi Aoi (柊あおい; ) (Joined November 29, 2022)
 * Maria (まりあ; ) (Joined December 28, 2022)
 * Otomori Yuu (音森ゆう; ) (Joined December 28, 2022)
 * Shio Yukina (紫桜倖那; ) (Joined October 25, 2022)
 * Misaki Momoka (三崎桃果; ) (Joined November 29, 2022)
 * Suzuki Motoko (鈴木素子; ) (Joined November 29, 2022)
 * Kanzaki Chisato (神崎千聖) (Joined March 6, 2023)