Ohyama Ruan

 (大山 琉杏) is a member of MOONCHILD.

She made her solo debut on July 31, 2019 in both Japan and South Korea with her single 'Beep Beep' under the stage name 'RUANN'.

Singles

 * [2019.07.31] Beep Beep
 * [2023.03.06] CHILI CHOCOLATE / ONE BITE / Lonely