The Celestial Knight (Black Clover X OC)

Hikaru Novachrono, is the little sister of Julius Novachrono, the Magic King. She is also the childhood friend of Fuegoleon Vermillion and Nozel Silva. She is a powerful wizard with celestial magic which allows her to call out spirits and borrow their power. After her bother was crowned Magic King, she was sent to Heart Kingdom. This allowed her to study and become stronger in their country but her presence there was in exchange for being new allies. She left Clover Kingdom and set off on her new journey to Heart Kingdom. 5 years later and she returned to Clover Kingdom, but what awaits her with her return...