#still thinking up stuff for his kny version but im thinking he was another attempt at demonization by Tamayo but muzans cells fucked him up

[krikidilly]

AHH! Niseru demon slayer edition! Plus one possible au ;-}

Fucked up experiment demon that is just the most. Pathetic thing! Still a symbiote type creature but is a little more vampiric and all in your body than just being a brain ghost like usual Niseru.