Ana no Oku no Ii Tokoro OVA

穴の奥のいい秘部 [ところ]
Synopsis

A tsundere high school couple have some fairly vanilla sex, followed by the very un-vanilla saga of Kyouko’s infidelity to her husband, and her step-son Takuya’s quest to bring the whore to justice. Based on the adult manga by Nagare Ippon.

Episodes