31-year-old Hiromi, a C-cup married woman, struggles with her husband's infidelity. Hearing about a place called the "hangout" where people listen to her problems patiently, she visits with a friend. Rumors say having sex with others helps her become kinder to her husband, and unable to suppress her own desires, she takes action. Initially unsettled by the strong odor of a teenage boy's cock, she finds herself overwhelmed by an uncontrollable lust that draws her deeper and deeper into passion.