He make organ trafic he is a doctor who play in squid game he is sarcastic and very inteligent he take the organs of the dead people of the squid game he is seriusdByeong-gi was a doctor who engaged in immoral practices and got into trouble after an incident that resulted in the death of at least one of his patients.[3] This caused him to enter the 33rd Squid Game to pay off his debts
During the games, he was recruited by a group of corrupt guards, including Worker Number 28, to perform surgerie