Sister Sister

シスターシスター은(는) Unknown에서 개발한 비주얼 노벨입니다. 출시일: TBA. 플레이어 평점: N/A/10. Yuu loves Yayoi, but he never tells her his love. One day, Hazuki, Yayoi's younger sister, tells him her love toward him. He has no reason to say n...