The Change Needed Most

NOTE: THIS IS FOR CONTEST SO THE STORY SKIPS A LOT OF PARTS TO STRAIGHT INTO PIVITOL POINT. THERE IS NO ACTUAL STORY CREATED YET, THOUGH I MAY BEGIN WRITING IT IF THIS ENDS UP GOOD. PLEASE CARRY ON TO READING SUMMARY BELOW.

Most people know that Light Rose died in a car crash a year ago.
Three people know differently.
A year after Dawn Rose died and her twin sister Light chose to go along with her mothers wish that Light had been killed instead things have changed. On the one year anniveristy gathering Light Rose will make a choice.
One that will kill her sister forever.