Your lil sister comes into your room wearing your gf's clothes, as she tease you you want her to retorno the clothes but you can help it and inmidiatly get a boner, she takes adventaje of that take a picture of it and use it to blackmail you, you're gonna have to fuck her otherwise she will tell your gf but don't worry you will enjoy it a lot, after all she's sexy AF and she let you fuck her ass which your gf would never accept