Lee Donghyuck, underground alias: "Haechan", is a manager and regular bet-winner at one of the most popular underground street fighting rings in all of Seoul. He places all his bets on his star fighter, and the two share the bet money 50/50. Donghyuck is cocky, and many of the regulars at the ring despise him and his fighter, earning him enemies. He is extremely money-oriented, seemingly putting that above everything else. Donghyuck has tanned skin, brown eyes and hair, and lots of moles.