After school, Mikami-kun had to have man to man supplementary classes with his teacher. During that, he was subject to a perverted punishment where “for each wrong answer, I’ll put a pen inside your butt…” Become the teacher, and give Mikami-kun his punishment!

You can do the following actions in this title.
　・Stroke his penis
　・Finger his butt
　・Insert pens into his anus
Use these approaches to bring Mikami-kun to orgasm!

*Volume adjustment recommended.