Mr. Kimishima was invited to the graduation party of the class he was in charge of. Three days after the graduation ceremony, he gathered at an izakaya run by the student's parents. This class reunion was organized by a female student. Kimishima-sensei started dating with a male teacher she admired. The teacher was fucked by the whole class because of such a trivial reason. "Let's all rape this woman!" The despicable mastermind turns the graduation party into a gangbang party...
