Heartbeat is a wife who loves her husband deeply, but her beloved husband has developed erectile dysfunction (ED), leaving her sexually frustrated. One day, she is begged by her beloved husband to have NTR sex with an acquaintance to satisfy her sexual desires. Although Heartbeat intended to refuse, she is forcefully pushed by the man, causing her sexually frustrated body to ache. She indulges in skilled techniques and marathon-style sex with ejaculation inside, screaming in ecstasy in front of her husband, engaging in taboo adulterous intercourse! The once happy marital relationship slowly crumbles…
