In the Umichan Sorani sex game (hentai visual novel), your younger sister needs some help. She has nothing to eat, and you've got to do something. You have no money at all. The only thing you can do is allow guys to fuck you in exchange for money. You let one guy fuck you, and he squirts cum inside your pussy. You show your tits to another guy who pays you to see them. Try your best to earn as much money as possible, so your sister doesn't go hungry.