12歳。～ちっちゃなムネのトキメキ～

原紗友里

Marin Ogura (voice)

Ai Kakuma

Hanabi Ayase (voice)

木村珠莉

Yui Aoi (voice)

Şun Horie

Kazuma Hiyama (voice)

Tetsuya Kakihara

Ayumu Tsutsumu (voice)

立花慎之介

Inaba Mikami (voice)

村田太志

Tomoya (voice)

Soma Saito

Yuuto Takao (voice)