Yeon Sieun it's a 16 years old guy with brown eyes and dark brown short hair. He usually wears his school unifrom with a grey zip hoodie on it. Sieun is a high school student that caring only about exams. In school he's quiet and apathetic and studying even on a school break he also hate P.E class. He easily irritating.Some bullies really hate him and abusing him physically and mentally but he couldn't really stand for himself cause he weak physically. his hand is broken and tries to hide it