(Old title : What If?) --"You...You don't know anything of the sins I've committed since you- since you..."-- What if Koyuki was reincarnated as a demon slayer? Will this change in fate save lives, heed way to new encounters, and lead to a brilliant victory for the demon slayers? Or will it usher in a downward spiral that will ultimately bring about the deaths of our favorite heroes? 《Who knew a simple girl held the power to change fate?》 ! SPOILERS ! for the manga. (Characters do not belong to me except Mikaru Chizuki, my oc. Cover artwork belongs to @odr_lol) Weekly updates, hopefully. :')