Yuki, the eldest daughter of a clinic owner, faces a turning point in her life following an incident involving her father's medical malpractice. As a result, she begins working under Kurita, a man her father once trusted. One day, Yuki finds herself drawn to the strong and captivating body of Kurita's son, Kaoru. Unable to satisfy her growing sexual desires through masturbation alone, her lust intensifies. Sensing her need, Kaoru seduces Yuki and passionately dominates her body. This experience further ignites her sexuality, pushing her into uncharted territory. Around this time, a man claiming to be a lawyer visits Yuki—but his true intentions remain unclear.