MDS-891 While he was away on a business trip, she was relentlessly raped with aphrodisiacs by his father and became addicted to sex. Akio Nakashiro.

Aoi, a naive beautiful girl college student, was living with her boyfriend, but due to various circumstances, she ended up staying at his parents' house. At first she had a stable and happy life, but gradually her father's libido ran wild. While she doesn't have a boyfriend, her heart and body gradually get fucked. Her father holds a secret that she cannot tell him, and she surrenders herself to her chaotic trance intercourse...