Park Seonghwa is a cold blooded killers that likely to kill for fun, didn't serve anyone at all even when people offers more that millions of dollar

I was just got out from a house that night around 1 am, after killing the entire family for fun as I'm just randomly picking someone's house as a target on some random apartment far from the city, that time i just trying to lock the door again as if nothing happened inside the house and everything seems normal