Kyoko Maki visits a psychiatrist for a consultation. Feeling self-conscious about her large breasts, she expects help with her complex—but instead encounters inappropriate questioning, excessive physical contact, and extreme sexual treatment. Her huge tits are groped and squeezed, subjected to blowjob and titty fuck sessions, as the therapy crosses all professional boundaries. Through these acts, Kyoko gradually overcomes her insecurities and discovers an unexpected gateway to new pleasures.