WILL-O'

 is a rock idol group formed in 2018. The group was previously known as Alloy.

Current Members

 * Enomoto Ryo (榎本 りょう; )
 * Komori Uzura (小森 うずら; )
 * Kirino Miyu (桐乃 みゆ; )
 * Saeki Tsumiki (佐伯つみき; ) (Joined June 2019)

Former Members

 * Sato Yuni (佐藤 ゆに; ) (Withdrew April 2, 2019)
 * Kanzaki Nono (神崎 のの; ) (Withdrew August 23, 2019 due to poor physical condition)

EP

 * [2018.12.24] Jump! -Member Solo ver.-

Major Singles

 * [2019.06.04] Kanjou Sensome Hikari Emotion (感情線染ヒカリエモーション)

Digital Singles

 * [2018.12.24] Jump!
 * [2019.01.21] Innovator
 * [2019.01.21] Last Dance
 * [2019.02.28] Stardust Memories
 * [2019.03.18] Identity
 * [2019.04.01] RenshinClumsy
 * [2019.04.07] SPARKING