Primordial six: Beginning of a cycle, ending of another...

Hikari Machizuki is a kind woman who only wanted to live a peaceful life. However, fate decided that it wanted the best for Hikari so it took everything from her. On her 21st birthday, Hikari accidentally bonds with the only fire primordial fragment in existence, a unique magical crystal of unknown origin that grants her the ability to use fire magic at the cost of evolving her into a hybrid of living fire and the crystal becoming her new heart. Upon bonding with it, the last bit of happiness in Hikari's life is taken from her as she passes out from her intense rebirth and the orphanage she calls home catches fire., burning to the ground. Upon awakening, she finds herself imprisoned in a dungeon cell with no idea of the power she now possesses. What does fate have in store for Hikari? Only time will tell.