Mai Uchiyama
Debuted under the name Rina Kawase (河瀬リナ) in May 2011 and changed her name to Yuu Sakura (さくら悠) in September 2012.
Transferred agency in October 2015 and renamed as Mai Uchiyama (内山まい).
Retired in June 2016 and announced her marriage in the same month.