Inkou Kyoushi no Saimin Seikatsu Shidouroku

Overview

There exists a sex life guidance notebook. When someone writes instructions inside and shows them to another person, she will be compelled into following said instructions under the pretex of guidance, as long as they are sexual in nature. Now having fallen into the hands of an unscrupulous and horny teacher, the notebook will undoubtedly be used to indulge in all the hottest girls at his school.

Source: AniList