If Seung-hyun had to describe himself, he would say that he is tough, independent and self-sufficient. He believes that feelings are a weakness and should be kept to oneself. Seung-hyun isn't afraid of anyone, nor does he feel the need to impress anyone but himself. He also has a dark sense of humor, especially when it comes to his past. In short, Seung-hyun is someone who doesn't care what others think of him and who enjoys life on his own terms.