Hiiragi Rio

 is an idol singer. She was a member of ALLOVER's Team γ from March 2013 to December 19, 2013, and is also a former member of Heart & Cupid.

She was featured in the 2017 documentary, Tokyo Idols.

Singles

 * [2013.01.13] Kimagure I love you (キマグレI love you)
 * [2013.06.26] Aoiro FLAVOR (青色FLAVOR)
 * [2013.12.20] Dear...
 * [2014.08.27] Rinne no Koi (輪廻の恋)
 * [2015.04.01] Kimagure I love you ~Watashi wo Mitsukete~ (キマグレ I love you ~ワタシを見つけて~)
 * [2016.04.06] BANZAI! BANZAI!