Hentai is based on the eponymous tankobon or collection of manga authored Megane i. While it is not known what part of the manga will be filmed... ...

2002

Kyosuke never liked his step-mom and wants her out of the house after his dad died. Megumi proposes that Kyosuke can do anything he wants with her daughter, Yuna, if he allows them to stay. He allows them to stay.

This is the story of Yui, who agrees to be embraced by a perverted teacher in order to protect the dream of her lover Kou. Yui, who is subjected to relentless pleasure teasing, becomes addicted to carnal desires and becomes an obedient sow.

2015

A guy desperately tries to impregnate his wife with no results. He visits the doctor and is diagnosed with a case of "beta as fuck", making him realize he has no choice but to let a true alpha fuck his wife instead.