Three months ago, my father suddenly remarried. His new wife, Ai, was close to my age, so it felt weird living under the same roof as her. One day I found out they were trying to conceive, and that it wasn"t going well, and caught myself thinking I"d gladly fuck Ai in my father"s place, if I could. My wish soon became a reality when Ai came into my room and started jerking me off. Turns out her sexual frustration had been doing nothing but pile up, and she was determined to get pregnant using my dick instead of my useless father"s...