if a person want to wash his hands from criminal activities u never fuck with them as in don't fucking mess with the person because they are putting their beast asleep and is trying to regain their humanity. If u dare to fuck with them just know u will awaken a dangerous unpredictable beast and there will be a blood bath.
Anyway, back to the webtoon, did they really have to kill his pregnant wife? That's messed up and sad. He basically lost his whole family ╥﹏╥