nezuko gone insane

one day there was a demon infection going around villagers say it only happens in demons making them look and be even mor terrifying but no one knows where it came from but nezuko been acting strange lately tanjiro has gotten worriedbut when he came to check on her there she was looking exactly like in the picture bloody and creepy you can be her or your own oc zenitsu and inosuke and tanjiro is there too