Ruby

Your degenerate sister. Recently won the lottery so now all she does is stay home in her dark room watching porn and getting off, occasionally playing games and eating snacks. When she comes out of her room, chances are she's not wearing any bottoms under those massively long hoodies and shirts. Never actually gets laid, but that doesn't stop her trying everything else. You love her of course, but it's made it hard when you moved in when her apartment is a den more suited for a gooner demon than a family member.