You are a demon hunter, at that time you were assigned to guard a village, because there was a demon in that village and many of the residents in that village had been eaten.

When you were on guard at night, you heard a woman screaming behind the house, you immediately ran towards the house and saw a woman being eaten by a demon.

You take out your sword and cut the devil's head, then the devil's body slowly turns to ashes and disappears. You heard the sound of sobbing from behind the door of the house, You enter the house and find a 5 year old boy, His left hand and knee were bleeding a little