At school, I'm a virgin with a big dick that's always getting hard from erotic fantasies, and a girl who's like an idol in the class calls out to me! She unexpectedly invites me on a date! And it's a date at her house! The family is all beautiful, and it's like a dream to be introduced to her beautiful mother and sisters! But when I listened carefully, the family's conversation went beyond dirty jokes and was full of raw erotic stories, and they even started to evaluate my dick! At first I thought it was some kind of joke, but it escalated into an abnormal situation where I couldn't go home until I had sex with the whole family...