Ms. Kimijima was invited to a graduation party for the class she taught as their homeroom teacher. Three days after the graduation ceremony, they gathered at an izakaya run by one of the students' families. This class reunion was actually a trap set by a female student. Out of petty spite because Ms. Kimijima had started dating a male teacher she admired, the teacher was subjected to being raped by the entire class. "Everyone, let's fuck this woman!" Due to the cruel mastermind, the graduation party turned into a creampie gangbang party...
