Katei Kyouin -Sensei no Ecchi na Gohoubi | 家貞教員～先生のエッチなごほうび～

Worried about Karibe Tomoya's low test scores in the humanities, his parents decided to hire a tutor for him.

On the day of the visit, Tomoya was fed up with his parents who hired a private tutor, but Erika Machimura, a beautiful woman with a beautiful and well-defined figure, appears and the hero instantly falls in love with her.

Erika has never been with a man other than her father. With her original caring nature, she taught Tomoya how to study without thinking about the distance, as if she adored him as her younger brother.

The protagonist becomes aroused by Erika who is unusually close to him and runs into the bathroom to masturbate.

The protagonist, whose hobbies include running an underground website and surfing the net, comes up with a plan to train his teacher by begging for naughty rewards.