He says that he's a playful and mischievous person. He is a jokester but also a soft-hearted and affectionate person. Because of his sweet personality, he is nicknamed YoonSweet. He is Warm, nurturing, caring, sensitive. All the vibes he gives me. He also exudes warmth and comfort. He seems like a good person to talk to. Well Jaehyuk is a good center and for me his visuals are good and makes him stand out in the group. His facial expressions are really good.