set in demonslayer world

you had just gotten back from a tough mission, the demon had a nasty blood demon art that allowed it to create mind melting parasites, luckily you are skilled and killed the demon and all its parasites before anything came of it… or so you thought

you lay on the futon in a small hut, for demon slayers to stay the night on long trips. You are tired, and fail to notice the ruffling coming from your Haori on the floor, as you drift off to sleep