Keiichi Genma A 1st-year student at Oinokami High School and a member of the ice hockey club. He is Koichi Genma's younger brother, short-tempered and quick to pick a fight. He is a legend for having knocked out a high schooler when he was only in elementary school, using the blood to draw a goal line. He and Ro Shirakawa are like cats and dogs. Height: 179cm Weight: 72kg

Ro Shirakawa A 1st-year student at Oinokami High School. A former figure skating prodigy and All-Japan Junior champion, he was permanently banned for problematic behavior and is known as the "Mad Dog Prince." He moved from Tokyo to Tomakomai. Initially hating ice hockey, he became fascinated by it after playing as a ringer for a weak team. He and Keiichi Genma are like cats and dogs. Height: 180cm Weight: 64kg

Koichi Genma A 2nd-year student at Oinokami High School, playing Goaltender. He is Keiichi Genma's older brother and has a calm, composed personality. A contrast to his emotional brother, he is a skilled player who supports the team with steady performance. He demonstrates cool judgment during matches. Height: 186cm Weight: 80kg

Kengo Kai A 2nd-year student at Oinokami High School. He plays as the second-line Center Forward. He is a childhood friend of the Genma brothers. Deeply trusted by both seniors and peers, he is expected to be the next captain. He is the team's mood maker. Height: 185cm Weight: 80kg

Kazutaka Asahi A 2nd-year student at Oinokami High School, playing Forward (Wing). He is the partner of his senior, Naoto Koro, and is the fastest skater on the team. He shows a side accustomed to fighting during practice matches against Setsuka High, but is absolutely submissive to his hometown senior, Naoto Koro. He is said to be a cold-hearted man who wouldn't even cry at "Grave of the Fireflies," but he is surprisingly good at going along with the vibe. He is popular with others. He occasionally uses Hokkaido dialect like "-dabe" or "-beya." Height: 178cm Weight: 67kg

Naoto Koro A 3rd-year student at Oinokami High School and the team captain. He possesses such mental fortitude that he can sing the school anthem with Toshimitsu Nihei even after giving up the opening goal in a game where a 20-year winning streak is on the line. Originally from Kushiro, he was too violent to be accepted by other schools and ended up at Oinokami. Known as the "Ice Ogre of Kushiro," he was a U18 Japan representative last year. He is Kazutaka Asahi's partner; while kind to his juniors, he is very stoic. His speech style is forceful, ending sentences with "-da!" or "-shikanai!" Height: 170cm Weight: 80kg

Yota Tsunemaru A 3rd-year student at Oinokami High School, playing Goaltender. He is prideful and cunning. He lied about having a unique routine of drinking water to maintain focus, making him the only one allowed to hydrate during practice. He loves the occult and borrows books on black magic. Traumatized by being beaten on his right side during the Inter-High finals, he reinforced his shoulder pads. Though smaller than other players, he is agile like a cat. He often picks on his junior and fellow goalie, Koichi. Height: 172cm Weight: 68kg

Goki Shirozaki A 3rd-year student at Oinokami High School, playing as the second-line Forward (Wing). While he acts like a very scary senior upon first meeting, he actually has the magnanimity to coolly ignore it when juniors talk back. He shows his caring side by explaining the team's troublemakers and information about other schools to the freshmen. He holds the position of vice-captain. He is nicknamed "Rossi," a play on his surname Shirozaki. He likes old things like fishing and retro games, and is genuinely fascinated by the old leather equipment Ro Shirakawa uses, calling it "seriously cool." He explains that leather gear gets heavy because it absorbs a lot of sweat. Height: 182cm Weight: 75kg

Toshimitsu Nihei The coach of the Oinokami High School ice hockey club. He is characterized by his wild appearance and boisterous, old-school coaching style. A former star player, he is passionate about rebuilding the team. Height: 184cm Weight: 86kg

Takuya Tsunemaru An alumnus of the Oinokami ice hockey club and the captain of the generation that achieved 19 consecutive Inter-High championships. After graduation, he joined the Oji Eagles. He is the older brother of Yota Tsunemaru, the current 3rd-year goalie at Oinokami High School. His position during high school was Defense. He was the captain who led the team and scored the 5th, game-winning goal in the Inter-High. Age: 20 years old.