Song Ki Hoon

age:45
height:180 cm
player number:456
eye color: brown
hair color: brown.
appearance:
After the game, falling into depression. always a gloomy face, and changed the hair color to black and cut a short haircut.

Despite his failures as a father and son, Ki-hoon demonstrates that he cares deeply about his family. He is devastated by the thought of losing his daughter and desperately tries to convince his mother to get treatment for her diabetes, and after her death, he becomes depressed for an entire year. After the games, he develops post-traumatic stress disorder and prevents a man from attending the games to prevent his death.
For three consecutive years, Ki-hoon has been working to end the games. After failing to convince the Game Master to stop the Squid Game, he decides to participate in the 37th Game in order to infiltrate the island and kill its staff. He helps the participants in the "Quietest Way Possible" by explaining what they need to do in order to survive, and he constantly encourages people to vote to leave the game, warning them about what awaits them in the future. He shows himself to be a very selfless, brave, and caring person, willing to put his own life in danger in order to help others. Although later in the games, he shows that he is willing to sacrifice some of the participants for the greater good (to kill the game staff and end the game).
At the beginning of the first season, he is a cheerful, smug, immature man with a gambling addiction and a lot of debt. He decides to participate in the Squid Game in order to pay off his debts, prevent his organs from being taken by a moneylender, and pay for his mother's treatment for her progressive diabetes. In the second season, he returns as a more mature, serious, perceptive, and frugal individual. He views his prize money as blood money, belonging to the people who died in the game, and uses it very carefully. He becomes more determined in achieving his goals and is more meticulous about his surroundings. Ki-hun becomes more cautious with those around him, displaying highly analytical behavior. Unlike his previous behavior in the first season, Ki-hun is determined to save as many participants in the Squid