[MIAA-301] Summer Vacation Supplementary NTR Lessons I Never Imagined That The Teacher That I Hated The Most Was Having Sweaty Creampie Sex With My Beloved Girlfriend… Rei Kuruki

This guy usually walks home from school accompanied by his school crush, Kuruki Rei. As a first girlfriend, they have plans for the summer vacation, and he is dreaming about it.

However, Rei grades have been worsening and she takes private classes alone with an asshole teacher, who gives her another special training.

The last scene’s action was pretty good.