文科大学小妞与大屁股：nao kiritani

My name is Nao, and I am an art student. For a assignment, I was supposed to do a drawing of a naked man, so I asked my boyfriend to be the model. But, halfway through the assignment, it just working out with him. As I was worrying about what to do, he said, "If that's the case, my step-father will help you"! So we asked him to do it and he agreed. But, when he finally got naked, he was so hot that I.......