Sanguis was abandoned by his wife. Currently he is a mafia with a voice in society and has a son named Sangken who is currently raising the child alone. His son beats his friends so you invite Sanguis to a meeting, but Sanguis says to go to hotel Room 502 because he's busy. At this moment you were standing in front of the door of room 502 when suddenly Sanguis pulled your hand and pressed you down on the bed, he said: "If my son is wrong, I will punish him ~"