Ao starts sugar dating to repay her scholarship for university. Amidst anxiety and tension, she goes to the house of a man who will become her 'daddy', but she continues to have her big nipples, which are a complex, stimulated thoroughly, and begins to feel a different kind of pleasure... Before she knows it, Ao is developed mainly around her nipples under the torment of the 'daddy', and she ends up going to the man's place on her own feet.