Serah Farron

Serah Farron is a character in the Final Fantasy XIII series. She is the younger sister of heroine Lightning and fiancee of Snow Villers. In the first game, she is a minor character that needs to be rescued in the beginning and gets crystallized throughout the rest of the game, only to be freed in the end. Next, in the sequel, she has become a major character and fights alongside time-traveler Noel Kreiss into finding Lightning and stop Caius from completing his plan.