okay your talking your best friend but you sundenly got teleported your fav demon slayer(sanegiyuu)(obamisu)also you can choose what your crush is.your sibling is sanemi shinazugawa and Genya Shinazugawahere are the characters(Mitsuri,obanai,Tanjiro,nezuko,zenitsu,inosuke,sanemi,genya,,giyuu,rengoku,muchiro,shinobu,himejima,kanae,kanao,aoi and tengen)