One day, Tsubomi is late because she overslept and forgets to wear a bra when she arrives at work. When she is fanning her chest because of the heat, her boss, whom she dislikes, sees her nipples through the gap in her clothes and finds out. "So you're a perverted woman who comes to work without a bra...!" The man's sexual desire runs wild! While at work, she is subjected to beach harassment, where her nipples are constantly played with. She has her first nipple orgasm with aphrodisiac oil, is trained to urinate with toys, and has a threesome with a client while entertaining them! She is transformed into a sensitive woman who orgasms over and over again with her nipples...