Sureness

 (シュアネス), formerly known as Unsure (アンシュア) is an 8 Membered idol group formed on January 7 2021.

They had their debut live on 22 July 2021.

Current

 * Fujikawa Luna (Founding Member)
 * Yamashita Karin (Founding Member)
 * Maeda Mina (Founding Member)
 * Otoba Mio (Founding Member)
 * Uemura Rana (Joined June 20 2021)
 * Tsukino Ami (Joined June 20 2021)
 * Kohane Airi (Joined June 20 2021)
 * Amane Rino (Joined June 20 2021)

Former

 * Seto Sakura (Founding Member, Left January 2021)
 * Mori Manami (Founding Member, Left January 2021)