Like Smoke(an Obi X Reader Fan Fic)

Karu Karachi (she was given that name by a man that took her in) is a girl that was born with a hair and eye color just like the girl from one of the story's her parents used to tell her. What happens when one day she meets the sister of Prince Zen, shiriyushi wisteria will it be a lasting bond or will it be severed by bandits? And what will happen when she is rescued by Zen and the others?