Z2-B1

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

The first line-up was on February 26, 2023.

The group is currently inactive.

Current Members
N/A

Former Members

 * Uyugu (うゆぐ) (Founding Member)
 * Shirano Koko (白埜ここ) (Founding Member)
 * Shirahana Mariya (白花まりや) (Founding Member)
 * Shirayuki Rara (白雪らら) (Founding Member)
 * Tomoka (朋華) (Founding Member)