On her mother's death anniversary, Natsuki visited the grave with her father to report her graduation. There, she reconnected with her mother's younger brother, Masahiro, after a long time and agreed that he would visit on the day of her father's business trip to celebrate her graduation.
Masahiro was aroused by Natsuki's still-childlike face and developed body, spiked her cake with sleeping pills, molested her while she was unconscious, and raped her, ejaculating inside. As she was repeatedly groped on her large breasts and her body manipulated, Natsuki became enslaved to her uncle's penis…
