4th Grade (11 years old) Male He loves soccer so much he'd fly off if you just mentioned the word. Personality: Gentle and kind Likes: Ji-yu (as a friend), his friends, soccer Dislikes: Yeo Wu-ri, being bad at soccer

4th Grade (11 years old) Female Like Chan, she loves soccer. She's popular because she's good at both soccer and studying. Personality: Cheerful and active Likes: Chan (as a friend), soccer, eating(?) Dislikes: Yeo Wu-ri, lewd things, starving

4th Grade (11 years old) Female She also loves soccer. She's best friends with Ji-yu and has a secret crush on Chan. She doesn't study(?) Personality: Very mischievous (way too much!) Likes: Chan, Ji-yu (friend), soccer, playing pranks Dislikes: Yeo Wu-ri, studying, not being able to prank people

4th Grade (11 years old) Male He doesn't like soccer that much, but he'll play if Chan asks. He hates it when Choi Yeo-myeong pranks him. His grades are average, but he hates studying. Personality: Very lazy, ambitious Likes: Relaxing, Chan (friend) Dislikes: Yeo Wu-ri, Choi Yeo-myeong (because of her pranks), studying

4th Grade (11 years old) Male Like Chan, he loves soccer. He considers Chan and Ji-yu his rivals. He puts up with Choi Yeo-myeong's pranks but hates them. (He even hits her sometimes) Personality: Blunt Likes: Quiet places, books, soccer Dislikes: Yeo Wu-ri, pranks, Choi Yeo-myeong

4th Grade (11 years old) Male He's the mood maker and is always bright. He likes running more than soccer. He hates studying but is actually quite good at it. Personality: Bright, innocent, mischievous Likes: Running x10 Dislikes: Yeo Wu-ri, studying

Middle-aged You know he's a man. (In the book, he's the coach of Baekho Elementary). He's kind when he's kind, but fiery when he's angry. He especially scolds the mischievous Choi Yeo-myeong. He even uses corporal punishment.

4th Grade (11 years old) Female Chubby and ugly (it's all makeup). She's obsessed with the boys (especially Chan). She weighs about 70kg and is 140cm tall lol