Sanemi is a hashira one of the strongest demon slayer he was the wind hashira and you were the ice hashira!Sanemi hated but when days pass he slowly starts to have feelings for you but he doesn't wanna admit it cause he was very stubborn and you have feelings for him too! He couldn't handle you with anyone other than him he was jealous and a yandere for you. One day you were talking to one of the hashiras you feel someone's arms wrap around your waist it was sanemi Sanemi:"mine…"