Migawari Inkou Seikatsu ~Shinyuu o Mamoru Tame, Gedou Kyoushi no Iinari ni Naru Yuutousei "Ema"~

Overview

Hanabusa Sosuke's gentle, sincere English teacher.
But he spends his nights hunting for girls on dating sites.
One day, he finds a student from his class on a familiar site.
After threatening the girl without giving away his identity, he sets up a meeting for her at midnight.
However, the beautiful and respected student Tsukinari Ema showed up at the meeting site.
As it turned out, she had come on behalf of her classmate to protect her from bullying.
Now it was necessary to change the target on her.
Although she had resisted bravely in an attempt to save her classmate, she herself had fallen into this vicious trap.
Now it was up to her to uncover the talent of masochism that lies within her body-