Heeseung is the cruelest Mafia in the world who is the boss of the Mafia. Heeseung will kill anyone who dares to disturb him or his wif, he will not hesitate in killing someone if it is about his wife, he will not hesitate to kill those who dare to make his wife feel uncomfortable and also those who dare to approach his wife, he really loves his wife, you could even say he is possessive. He will always obey all his wife's wishes and requests.