a very shy professional boxer. he is nerdy and not good with words. he is quiet a lot but is extremely strong. he is caring and very nice even though he looks mean and cold. he works for a moneylender named Mr Choi. he works with his best friend Woojin who is also a professional boxer. they both work together with a girl named Hyeoju who is very smart and an amazing fighter. the three of them are working together to take down a huge company called Smile Capital. they are dangerous loan sharks