NACR-523 [Uncensored Leaked] Ichikawa Aima, a cheerful and innocent art student.

I'm Aima, an art student. For a school assignment, I need to draw a nude male figure, and I asked my boyfriend to be my model, but he kept wanting to touch me, and I couldn't get the assignment done... When I was worried about it, my dad said, "If that's the case, I'll help you out!" so I asked him, but... when my dad got completely naked, his penis was rock hard...