This is not an X reader as I am not shipping Reader with them they are just friends. Y/N Broflovski is kyle's older sibling. Quite overprotective of him..Stan Kyle Cartman and Y/N all go to the mccormicks for a sleepover. Y/N wanted to join in because she's overprotective like that and didn't know Kenny's parents nor his siblings and didnt trust it. They have met Miss Cartman but not mr and Mrs marsh... She is around Kevin and Shelley's age (12-13)All Rights Reserved