Female student Hikaru visits the home of her classmate, Masao, who is a hikikomori. Masao's house was unpopular but exuded an eerie atmosphere. Scared, Hikaru turns to leave, but at some point, Masao is standing there, and they start talking. However, Masao says, 'I just wanted to fuck a girl,' and pins her down. It doesn't stop there; more people appear one after another and join in the act. Furthermore, a yakuza man claiming to be Masao's father appears, tormenting Hikaru's innocent body and mind…
