At age of 17, when demons started appearing at their country inazuma, heizou’s family was killed and he was alone. he really got a big worst trauma from this, so he joined kazuha’s demon hunter group at 21

hunting at the forest oy! guys! look what ive found! he says while carrying you by your collar … he shakes you a demon!

youre not even a demon but youre all messy so he thought you were one of the demons in here