Yuu Shinoda - sex inom är förbjudet, men jag kan inte bara lämna dem del 1

I live at home with my stepfather. My parents passed away when I was in school. Since then, he has raised me, making me lunch and taking care of the place. Recently, I often have a little to much at the pub, and I sometimes I lose my memory. Every time I do this, I cause trouble at home...