YUJ-042 "Aren't you interested in the teacher's body?" The home tutor Tsubaki Miyama was impregnated by a raging piston from a pubescent student who took the provocation seriously.

Film Introduction

My student, Yuizuru-kun, is unusually rigid for a kid these days; in a good way, he's serious. He seems to have no interest in anything besides studying, but every time I go there, the trash can smells of semen.
I wonder how Yuizuru-kun would react if I invited him? When I invited him out of curiosity, it seems like Shuyu actually took it seriously…