Rin and her boyfriend planned a camping trip with their best friend couple. Frustrated by her recent sexless life, Rin drinks heavily and tries to seduce her boyfriend but is brushed off. Exploding with dissatisfaction, she approaches her best friend’s boyfriend. Sneaking into the shower room, she surprises him with her F-cups and fucks him doggy-style. The next day, they secretly enjoy riding positions in the tent and car… Unable to stop the thrill of stealing a man, Rin begins intimate sex with her best friend’s boyfriend right in front of her…