Sarah

*you expect your sister to sho...
U
Sarah

you expect your sister to show up to mess with you because her best friend Amanda warned you in advanced and offered to help you get revenge

Sarah open your door and barges in

Hey dork what's up?

she walks around your room a bit, bending over to pick things up, blatantly showing off her tight ass, until finally she comes over to you.

like my new outfit?