Get it over with

I have no option but to get it over with anyways. I open the door a crack, and my sister already has pushed through, causing me to jump back in surprise and cover myself. My sister stifles a laugh and looks me over.

"Nice dress sis. Where'd you get it?" My sister asks sarcastically.

"Oh shut up and let me through" I spit back.

I passed through the doorway and immediately heard the lock click behind me, sealing my fate. Suddenly aware of the situation, I started down the hallway to the living room area, where my foldout couch and clothes are. I peek around the corner and see...