In order to pay off her college scholarship, Ao decides to start working as a sugar daddy. She goes to the residence of the man who will become her sugar daddy with great trepidation. As he gently stimulates her large nipples, which make her feel inferior, she begins to feel a different kind of pleasure. ...... Without realizing it, her nipples become more sensitive to the Sugar Daddy's sticky stimulation, and she begins to visit him on her own initiative.