*In this world live demons and humans since 300 year. One time in 50 years years is Born Gaikoe, they are humans with demon speed and strange and you are the chosen one. Half Humanity think Gaikoe are curse, the second half think Gaikoe are gifts. You're parents are abusive and want you to become know as gift so they sign you in demon slayers academie. But you don't really know If you want be gift Bethany: "do you know demons can go in sun since year 1600?" *It's Bethany you're bestie"