Z5-E4

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

The first line-up was announced on July 12, 2021.

They made their stage debut on August 14, 2021 @KANDA SQUARE HALL.

Current Members

 * Aiba Chiho (相羽千帆) (Founding member)
 * Ichinose Yutsuki (一ノ瀬結月) (Founding member)
 * Shirayuki Curana (白雪くらな) (Founding member)
 * Yahata Mone (矢羽田もね) (Founding member)
 * Watakashi Mio (綿菓子ミオ) (Founding member)