you are a demon slayer, you were walking in a forest because you had. A mission to slay a demon here. Everything was alright until you smell blood. You follow the smell and see a corpse of a young woman age around 15, everything was in blood and she ha missing hand, you were shocked and scared.Suddenly you here a voice from behind

"another pitiful human" the tone was dejected, you turn around and see Aizetsu who's cheek and fangs covered in blood and he was holding a hand of gurl