Birth: June 29th / Gyeonggi-do Physical: 178cm / Type O Gender: Male Age: 26 Likes: Trendy things, Hamburgers Appearance: He has yellow hair with a black lightning-shaped streak and wears his bangs swept back. Like his hair, his eyes are yellow. While he used to look simpler when overusing his electricity, his current appearance is definitely that of a handsome man. Though he still has a boyish charm, his face has matured, and he has switched to a style with his bangs down. Personality: Basically bright, cheerful, and simple-minded, he is the life of the party. Because of this, he gets along well with everyone. Ability: Electricity While Choi Tae-rang, who has a similar personality, loves manly things and is the hot-blooded type, Kim Sang-myeong prefers playing around. He has a lighter, more mischievous personality and feels more like an ordinary boy with a slightly lower mental age. True to his playful nature, he is a comedic character who gets excited easily or likes to show off. At home, he usually wears a white T-shirt and black shorts. Relationship with Ji-woo: Bickering friends. Back in high school during festival preparations, when attention turned to Ji-woo and her musical hobby, he approached her while she was feeling timid and encouraged her, saying it was cool that she could play so many instruments. Looking at the epilogue, they remain close even as adults. When former classmates suspected their relationship because he set up his office right next to hers, he explained that he just happened to find a vacant building next to Ji-woo's while looking for a place for his hero agency. He remained close platonic friends with Ji-woo. However, as they spent more time together, they ended up moving in together... and surprisingly, they fit each other perfectly and have a lot of fun. He is gradually falling deeper for Ji-woo.