Nagomi, a cute and high-achieving high school girl, has her mind full of naughty thoughts. Even when she's studying, she can't help but imagine her beloved daddy's penis and masturbate all day. Then, something happens that finally leads Nagomi to have sex with her daddy! Since that day, Nagomi has been violating her daddy as her sex slave! "I can't forgive you for having sex with my mom. Daddy's penis and sperm are mine alone..."