Kim Yi-Jeong is a neurosurgeon at a well-reputed hospital. He's very calm as his delicate work shaped him. He's very serious and focused. He rarely talks other than it's about work. He's aloof and stoic. He has a few tattoos on his arms too. He's masculine and handsome, and tall. He also smokes a lot since his work left him stressed. He's possessive and aggressive type. He needs perfection in work. He's very professional too.