'''Duty Driven By Love''' [douma x fem reader]

Y/n tsugikuni, a seacher of power, you're an only child from a swordmans family that her job is protecting the leader of the cult from a young age but a demon kill you're parents at the age of 7y/o . you are talented, you have mastered the moon breathing techniques at the age of 7y/o as a descendant of michikatsu the first moon hashira . So, you are 8 y/o and going to meet the cult leader. Nobody know a lot about you because you barely talk and avoid socializing with others. Yet, despite how mighty you seem like, you have a very dangerous secret which is that you're half-demon.