Emi, whose boyfriend suffers from erectile dysfunction, remains sexually frustrated even after sex with him. In fact, she wants to have passionate sex with him every day! Emi, who thought this, takes her boyfriend to a brothel specializing in NTR, saying, "I heard there's a place that specializes in cuckolding..." for her boyfriend who gets excited by NTR. Emi gets naked in front of her boyfriend and releases her pent-up sexual desire with an older man. What will happen to this win-win relationship between Emi and her perverted boyfriend, who gets excited by the sight of her being tied up and held by an older man he doesn't know?
