Alloy

 was an idol group formed in November 2016.

In May 2018 the group announced that they would be changing their name to WILL-O' and that the two remaining members would be a part of it.

Final Line-Up

 * Enomoto Ryo (榎本りょう) (Joined April 13, 2017)
 * Kanzaki Nono (神崎のの) (Joined April 13, 2017)

Former Members

 * Manaka Nozomi (真中のぞみ) (Original Member; Graduated March 31, 2017)
 * Fujisaki Ririna (藤崎りりな) (Withdrew May 10, 2017 to focus on studies)
 * Kikukawa Yukino (菊川ゆきの) (Joined April 2017, Withdrew June 9, 2017)
 * Kitano Momoko (北野ももこ) (Graduated May 27, 2018)

Singles

 * 1) [2017.05.31] Roller Coaster / Propeller
 * 2) [2017.11.15] Pinball