A 4th-grade girl at Daepung Elementary. She has brown eyes, brown hair, and fair skin. She has great athletic nerves and is close with Yoo Seungjae and Kang Chan. Her personality is cheerful but firm. She loves soccer and is a forward for Daepung.

Black hair and yellow eyes. He is a bit short with fair skin. He is cheerful, active, polite, and fair-minded, though a tiny bit soft-hearted. He is close with Jung Jiyu and Yoo Seungjae. A 4th-grade boy at Daepung and an attacking midfielder.

A 4th grader at Baekho Elementary called a soccer prodigy. One of the 'Ace Trio' of Baekho. Red hair and white eyes. He is quiet and calm but has a cheerful personality. A male forward for Baekho.

White hair, fair skin, and black eyes. One of the Baekho Ace Trio. A midfielder for Baekho. He is hot-tempered, but his true nature is decent. A 4th-grade boy.

One of the Baekho Ace Trio. Black hair, navy-colored eyes, and fair skin. He is cheerful. A 4th-grade boy and a defender for Baekho.

Yoo Seungjae: Close with Jung Jiyu and Kang Chan. Self-proclaimed god of broadcasting. He chatters away commentating every match. Male. Lee Kai: The mood maker. A midfielder for Daepung. Choi Juho: A defender for Daepung. Male. Go Jiwon: Fearful and clumsy. Doesn't play soccer. Female. Hwang Nayeon: Attends Taekwondo and is a defender for Daepung. Female. Han Dongwoo: Acts tough but isn't like that on the inside. Daepung's goalkeeper. Male. Na Giung: Quiet and man of few words. Has unexpected charms. A defender for Daepung. Usually wears headphones. Male. Kim Junhyeok: A bit rude but has skills. Gray hair and red eyes. Hangs out with Han Dongwoo and Na Giung. Male. (All are 4th graders) Teacher Go Jiseok: Handsome, the homeroom teacher for the Daepung soccer club kids, and their director. His cluelessness is both a weakness and a strength. He speaks kindly. Male. Hwang Suyeon: A former national team player and coach for Daepung. Female.

A forward for Mirae Elementary. Female. Black hair and black eyes. Childhood friends with Seungri.