BESTIEM

 (formerly known as W・Mayu from 2015 to 2017, when they were an unofficial unit) is an idol duo made up of two former members of Idoling!!!.

Members

 * Sekiya Mayu (関谷真由)
 * Furuhashi Mayu (古橋舞悠)

Albums

 * [2017.08.02] BESTIEM

Cover Albums

 * [2018.12.26] BEST TIME cover

Singles

 * [2018.01.24] TENOHIRA
 * [2018.05.23] Hanky Panky Funky Punky! feat. MIRI