Suddenly, my brother's ex-girlfriend Tsukasa appeared. My brother, who was notorious for his womanizing, had subjected her to sexual training and even borrowed money before dumping her, leaving me to cover his debts. With no way to repay the money, I was taken to a hotel, stripped naked, and subjected to the same sexual training my brother had inflicted on Tsukasa. Although I have a girlfriend, the perverse play I had never experienced before gradually seeped into my body, and now I can only get aroused by Tsukasa…
