Moko will attend a summer class at the preparatory school to prepare for the university entrance exam. The class lasts for two weeks, so she is going to Tokyo alone to study. The room rented for her is very spacious and comfortable. However, there seems to be a foul smell in the air, which turns out to be coming from the neighboring room. Trash bags full of stench are piled up inside the room and in the hallway. When Moko reminds the neighbor about it, a man with a strong odor and scary eyes steps out when the door opens. Moko quickly tries to leave, but he catches her and rapes her, continuously ejaculating inside her. Initially resisting, the pleasure and arousal from the sexual act cause her to change her mind. She can't stay away from him, she wants to have sex with him, she wants him to ejaculate inside her!