Idol Imouto

アイドルな妹은(는) Unknown에서 개발한 비주얼 노벨입니다. 출시일: TBA. 플레이어 평점: N/A/10. The main character is Haruka Kasukabe, a 18-years-old idol and a student. However, she has another face. She is also a sex sl*ve of her brother... ...