Rabu partner: Yokubô dai kaihô

裸舞♡パートナー 欲望大開放

Also known as 裸舞♡パートナー ナイショの性癖

Ako, an aspiring manga artist working at a bar, is in a sex friend relationship with her sister's ex-boyfriend, Tetsuya. One day, while she is having sex with Tetsuya, her sister, Marina, suddenly comes home. Marina tells her that her husband died in an accident and she has just finished the funeral...