my best friends brother

pt.1

Charlie (bsf twin)
Ellie(bsf)
Sasha(main character)
Thier all 16

Ellie and sasha have been bsf ever since we were 2 years old, our mum's have been bsf ever since they were in primary school so it was kinda destiny to become bsf, but we have a set of rules. Rule 1. Charlie is off limits rule 2.no secrets rule 3.always be bsf, cut us some slack we made these rules when we were like 7.