A man returns home only to be accosted by his curious little sister, who wants to know if his premature ejaculation problem has gotten any better. She masturbates in plain sight, jerks him off with parents nearby...and then starts the hot fucking!
Asta was the demon girl's name, and she agreed to form a party with the hero. For him, it was love at first sight. But when he told her as much, her answer wasn't what he expected... "If I become your lover, will you defeat the Demon Lord for me?"
I start going out with my sex circle senior. I figure her sex partners are in the 3 digits...and yet it seems I'm her first boyfriend! I enjoy a daily life of sweet love-making.