Beast Within KH/FF

[Name], a young girl who was driven from her home from demons is taken in by a kind family. Now seventeen, she wants to kill the demons that now bring terror to her realm.She seems to almost be a demon magnet, which she'll use as an advantage, to become one of the greatest blade masters there is. Even though she is being persuaded by some people to not pursue her dream and instead be a usual stay at home wife, which is common at the time. She disagrees and begins her adventure. As she goes on the adventure to accomplish her dream, she faces multiple obstacles from death to love, to loyalty and betrayal.

Reader insert. WWYFF/WWFFY.