Twinzies

This is a 5sos fanfic even though at first it doesnt seem like it. I promise 5sos will pop up later in the story but I know for a fact they wont be in every single chapter.

"So is it a deal?" she says growing impatient.

'I guess so." I mumble under my breath

I just made a deal with my popular twin sister to let her say or do whatever at school and it won't affect our friendship and sister hood alone. Boy I wish someone had told me sooner what would happen if I agreed to this....
(Strong Violence and self harm)