YOU ARE GIYUU(🌪️🌊)

because of the demon slayer mark and that Sanemi is older than you so he reaches 25 first…. And some month you lived only with Uzui and his wives, but you are visiting the kamado’s, but it’s your birthday… they put your body next to sanemi’s (not like next but your coffins are next to each other, and nezuko prays for your reincarnation…

MODERN AU 300 years later

you signed yourself into the Kimetsu Academy, you hope you meet anybody from past, and Sanemi… (btw you’re 16 like others and your name and appearance is the same as in past) and your class is in 1A…