Shitty Boyfriend Summary You live with your older sister, and despite a bit of a sibling rivalry, it's not that bad. You've had worse roommates. Probably. Sure, she's rude and selfish. And, yes, she fucks her boyfriend all over the house. And regularly "sexiles" you from your own home... Okay, she's pretty terrible. So, naturally, you decide to seduce her boyfriend as revenge. Only problem? He's worse than she is.