Manyû sanshimai: Ire kui rankô

Manyû sanshimai: Ire kui rankô
Overview
Irina, the third daughter of the three Nemoto sisters, is a plain, college science student who wears a white coat and glasses at school. It seems that things are going well with her boyfriend Soga. One day, while Irina is studying ancient Japanese history, she discovers a system in which women share a man sexually.
Similar
Et + si @ff (2006)
Addicted to Love (1999)
Erotic Tutoring (2016)
That's Hentaitainment! Ijo Sex Daizenshu (1991)
Homocula likes white blood, aim for the eyes (1986)
0105 Is the Man's Number (1996)
Shark Babes (2015)
Kairaku Shôten-buro (1979)
Koichiro Uno's Wet and Riding (1982)
School of Youth: The Corruption of Morals (2014)
Busty Cops: Protect and Serve! (2009)
Scandal: Lawful Entry (2000)
Fast Lane to Malibu (2000)
Masked Crusader, Mr. Jirenman (1979)
Rape Zombie: Lust of the Dead 2 (2013)
Sex Detective Hatenashi (2018)
Chikan to nozoki: fujin-ka byôtô (1994)
Wakaoku-sama: Futomono-biraki (1994)
Deep Contact (1998)
Reunion Goals: The Beginning (2017)