Yuuka, a international flight attendant, has been sexually frustrated for years due to her sexless marriage. She starts teasing her son's friend, Hiroshi, next door, but she can't hold back her desire seeing his innocent behavior. She ends up sucking his cock. What started as a casual invitation turns into an endless fuck session with his insatiable cock. Day and night, Hiroshi keeps demanding more, and her body, fucked countless times, eventually screams in agony.