While my wife is away on a solo trip, I find myself in a forbidden rendezvous with my sister-in-law, Ai. As our marriage grows cold, I can no longer resist her temptations. "You're probably cheating on me with someone else while I'm away," she teases. Even though I know it's wrong, my reason flees as her allure intensifies. Day and night, I lose myself in passionate sex with Ai, who is far more erotic than my wife, climaxing repeatedly and pouring my seed deep inside her. This intense connection, this shared desire, feels like the ultimate moment. I want this to last forever. The guilt and bliss are so overwhelming, it's like my mind is melting away...