DM X HAIKYUU!!

so I don't if someone has think this first but I wanted to do first, so the story is simple you are lady tamayo daughter from DM(demon slayer) and you are demon and have one mission are to protect DM(demon slayer) reincarnation which mean you know some of them and you move to miyagi and starting to school at karasuno you became volleyball manager with yachi also after a few months you guys be friend the karasuno volleyball team want you come to new year festival at this night and you wear that kimono in the picture