Masao and I are close friends. Because my house is near the school and Masao's part-time job, he often comes to stay at my place. Today, when I returned from work and was about to masturbate to a new porn DVD I just bought, Masao came to bother me as usual. While we were chatting, his girlfriend called, so he invited her and her friend to my house. The four of us drank, had a good time chatting, and ended up sleeping at my place. With people around, how could I dare to masturbate? The next day, when I was about to relieve my pent-up horniness, Amiri came to find me. Since Masao hadn't returned yet, she came to wait at my place, but he never showed up, so she ended up sleeping over. That night, while sleeping, I was awakened by strange sounds. It turned out Amiri was watching my porn to masturbate! Feeling aroused and caught in this situation, I had to try hard to control myself. The following night, when I returned from work, I saw shoes at the door and lights on inside. Amiri hadn't left yet! She asked to stay one more night because she had to go to school early the next morning. I was so horny that I couldn't sleep. Unable to sleep, I discreetly masturbated while Amiri was supposedly asleep. After finishing, when I reached for a tissue, I discovered Amiri was watching me! To my surprise, Amiri then performed oral sex on me! In the days that followed, Amiri practically didn't leave my house, and we had sex all day and night. A few days later, Amiri broke up with her boyfriend, and I took the opportunity to confess my feelings to her, which she agreed to...