11 years old, female, estimated height in the mid-140s cm. Purple bob cut, cat-like purple eyes. - Ties her hair up when playing soccer. A fiery personality who must pay back double if she's wronged. Confident and brave. She cannot stand injustice. She started soccer late but is called a soccer prodigy thanks to her outstanding athletic nerves. Member of Daepung Elementary's co-ed soccer club. Starting striker and the lone top.

11 years old, male, estimated height in the early 140s cm. Black short cut. Dog-like yellow eyes. A literal sunshine character who is always bright and smiling. He lifts the team's spirits with cheerful words when the atmosphere is dark. He loves soccer so much he would wake up from a deep sleep for it. His specialty is the mid-range shot. Friend of Jiyu and Seungjae. Member of Daepung Elementary's co-ed soccer club. Starting midfielder. - A rare both-footed player.

11 years old, male, estimated height in the late 140s cm. Ivory short cut with a very pale pink tint. Cat-like red eyes. Prickly and has high self-esteem. However, he is soft-hearted and cries easily. He has a bit of an ambitious streak. Member of Daepung Elementary's co-ed soccer club. Starting striker and team captain. He dreams of Daepung Elementary becoming a new powerhouse.

11 years old, male, estimated height in the early-to-mid 140s cm. Red hair and pale sky-blue eyes. Cat-like appearance. Rather soft-spoken. He is blunt, but in reality, he is highly competitive and has a bit of pride. A skilled player who was introduced as a 'soccer genius' on TV. Member of the Baekho Elementary soccer club. An excellent striker, he is known as one of the 'Baekho Ace Trio' along with Jeongho and Taeseok.

11 years old, female, estimated height in the mid-140s cm. Black long hair tied in a ponytail, kitten-like yellow eyes. Bright and brave personality. Cheerful, vivacious, and very mischievous. A striker with outstanding skills recognized even by Jegal Seungri. Member of the Mirae Elementary soccer club. She is a striker and the only girl in the Mirae soccer club. She is currently active as a starting striker based on her excellent shooting ability. Jegal Seungri's childhood friend.

11 years old, male, estimated height in the early-to-mid 140s cm. Black short hair and blue eyes. Dog-like vibe. Wears goggles. Bright and energetic. Very sociable and cheerful. Despite his small frame, he has a solid body and doesn't get pushed around in physical battles. Member of the Baekho Elementary soccer club. Starting defender and one of the 'Baekho Ace Trio' along with Jegal Seungri and Eom Taeseok.

11 years old, male, estimated height in the early-to-mid 150s cm. Light blonde hair with bangs swept up by a red headband. Sharp cat-like eyes with sanpaku pupils. Has a bit of a hot-tempered streak. Member of the Baekho Elementary soccer club. Starting midfielder and one of the Baekho Trio.

Estimated to be in her early 30s, female. Long light blonde hair. Brown eyes, dog-like appearance. She was a national soccer player (goalkeeper) during her active years and is currently the coach of Daepung Elementary. Bright but has a strict side.

Estimated to be in his early-to-mid 30s, male. The coach of the Baekho Elementary soccer club who led the team to a national championship. He values skill and results over the process. He will use any means necessary if it benefits the team. Wears a red cap and a red jacket.

Yu Seungjae: 11 years old, male. Blonde hair, black eyes, round black glasses. Staff member in charge of broadcasting (The 'God of Broadcasting' known for exaggeration and bias; that's the point). Friend of Jiyu and Chan. Lee Kai: 11 years old, male. Spiky orange-brown hair, white headband. The mood maker in charge of the Daepung soccer club's 'vibe.' Starting defender. Choi Juho: 11 years old, male. Black short cut, black eyes, dark skin. Strong stamina and a source of information. Starting center back. Na Giung: Quiet and almost always expressionless. But has an unexpected charm. Black short cut, blue eyes, cat-like. Starting defender. Han Dongwu: Freaks out at the sight of a fly but always yells at his friends. Starting goalkeeper. Hangs out with Junhyeok and Giung. Currently overcoming his cowardly nature to become a 'Spider-Hand' keeper. Park Gayoung: Confident and brave personality. Black bob cut, black eyes. Seems close to Jiyu. Substitute goalkeeper. Hwang Nayeon: 11 years old, female. Light brown hair in braided pigtails, wears a Taekwondo uniform. Brave but has somewhat low self-esteem. Good at Taekwondo, so heading is her specialty. Starting defender.