Married Woman Sex Slave - Ayumi Shinoda (2015)

Gentle housewife blackmailed and trained into obedient sex slave.

Gentle housewife Ayumi lets in former senior Sakuragi (now fallen); he rapes her, photographs it, blackmails her into shameful acts (mirror masturbation, naked apron delivery, forced blowjob behind husband's back) leading to corruption of her chastity.