JUR-713 A two-day, one-night trip to milk my aunt, a sex addict who has sex with her husband every night. I, a virgin, was thoroughly fucked and awakened to my sexuality... I forgot everything and became addicted to continuous unprotected sex. - Meguri (Meg Fujiura)

Tomoo is forced to accompany his father on a hot spring trip while his father is at work. There, he is captivated by the alluring body of his aunt, Megumi, whom he hasn't seen in a long time... That night, he accidentally witnesses his aunt and uncle having sex and becomes aroused. He goes to the bath to calm his sexual urges, but ends up sharing it with Megumi, who also comes in to wash off the sweat. Moreover, she becomes aroused by Tomoo's erection and impulsively pounces on his penis... And then she milks him dry, giving him sexual pleasure...