A sister bond | Demon slayer/BNHA AU

once upon a time. There was a family. A pretty peaceful family. They may not had much...but it was
still peaceful.... But then one day the family was killed not all of them died. Two siblings lived. Name Nezuko and Tanjiro one of them became a demon the other train to be a demon slayer. They went threw a lot of adventures together.... But then one day one of them was killedthe demon sibling lived.... but where not happy...they missed their siblings very much...The last words of the dying sibling was

"Please live on for me....I want you to live...."

The demon keeps that promise. And years has gone by . Their friends are now dead from old age. The demon learning new things as the years have gone. The demon even learned sign language the humans then started to have powers called quirks. The demon still wonders the world when it's night or a cloudy rainy day. But when its day the demon hide in alleyways where the sun can not reach the demon wished to not be lonely and find someone they can protect.. But luckily a little girl was able to piece the hole that the demon needed...

Eri

You can also find this story on my Quotev account @.SicknTheHead