Konatsu grew up in a single-parent household and lives in an old apartment. Her problem is the smelly garbage dump next door. One day, she notices that the door to the next room is open and peeks in out of curiosity. Then, she is suddenly dragged into the room by a filthy old man. She is suddenly restrained and licked all over, she urinates in fear, she resists to no avail, and he ejaculates over her and cums inside her many times. After that, she is confined and pleasure-trained, and the girl begins to change...