Urara, a female student, visits the home of her shut-in classmate, Kazuya. Having heard that Kazuya has applied to drop out of school, she goes to persuade him to withdraw his application. However, a man named Nakata appears. Nakata says that he is not Kazuya's family, but calls Kazuya a "bad brat." Urara is enraged by his words and ignores Nakata's warnings to stop her and enters Kazuya's room. As soon as Kazuya sees Urara, he pins her down and tortures her body. The man in the room then joins in the act...