Slow Dance (Saiki x Kaidou)

[Story inspired by Why R U?]Kaidou shun's life was normal before he was cursed, how exactly? It all began when his sister wrote something about him and a boy Saiki Kusuo. She ended up making his life flip! With Saiki Kusuo and him falling in love in the end, but with that Kokomi Teruhashi wasn't gonna let it happen ea...