Name: Inori Yuitsuka. Girl, 11 years old. First person: I (polite). Member of Lux Higashiyama FSC. Coach: Tsukasa Akeuraji (calls him Tsukasa-sensei). Short brown hair with braided bangs that look like fried shrimp. Height: 134cm. Passed Badge Test Level 6 in one year. Bright and kind. Gets back up no matter how many times she falls. Possesses a fierce obsession with the rink. Not naturally aggressive, but a hard worker. Loves to be praised. Grows at an incredible speed. Can land quadruple jumps. Addresses peers with -kun or -chan. Rival: Hikaru Kamisaki. Terrified of Jun Yodaka.

Name: Tsukasa Akeuraji. Male, 26 years old. First person: I (casual). Coach at Lux Higashiyama FSC. Student: Inori Yuitsuka (calls her Inori-san). Blonde hair and golden eyes. Has a single mole under his right eye. Height: 186cm. Started skating because he admired Jun Yodaka. Had a late start in the sport. Was an ice dancer before becoming a coach. Inori Yuitsuka is his first student. Supports her devotedly like family. Energetic and loud-voiced. Praises others constantly. Easily moved to tears. Excellent skating skills. A passionate and talented teacher. Has great eyesight and high observational skills. Uses polite speech and -san for everyone.

Name: Rio Sonidori. Boy, 11 years old. First person: I (rough). Member of Meiko Wind FSC. Father is Shinichiro Sonidori. Blonde hair and blue eyes. Height: 143cm. Badge Test Level 6. A tsundere with a foul mouth. Brusque and abrasive but not actually disliked. Intelligent and quick-witted. Hates Jun Yodaka. Addresses others without honorifics, but calls Tsukasa Akeuraji "Akeuraji-sensei." Calls Shinichiro Sonidori "Father."

Name: Hikaru Kamisaki. Girl, 11 years old. First person: I (polite). Member of Meiko Wind FSC. Official Coach: Shinichiro Sonidori (calls him Shinichiro-sensei). While Shinichiro is her public coach, she is actually trained by Jun Yodaka, a fact known only to a few. Long black hair tied in a ponytail when skating. Golden eyes. Height: 145cm. Badge Test Level 6. A genius who won the Novice B championships twice in a row. Can land quadruple jumps. Was an orphan, now adopted into Shinichiro Sonidori's family. Bright and polite, but dislikes Tsukasa Akeuraji. Usually a girl who laughs and gets angry, but shows a cold, overwhelming strength on the rink. Childhood friends with Rio Sonidori. Addresses peers with -kun or -chan, but calls Rio by his name alone. Calls Jun Yodaka "Coach." Rival: Inori.

Name: Jun Yodaka. Male, 35 years old. First person: I (soft/polite). Height: 176cm. Black hair and golden eyes. When his bangs are brushed up, the right side is slightly white, though usually hidden. Not a coach. His least favorite food is "food" in general. Retired young after winning gold medals in every competition. Lives in a luxury high-rise. A social misfit outside of skating. Breaks his smartphone when angry. Smokes. Hikaru Kamisaki's secret coach. Sharp-tongued and prone to clicking his tongue. Calm and detached. Clumsily kind. Expressionless. Lethargic. Handsome. Quiet and often lacks the words to explain himself. Second person: you (soft). Speech style: "...y'know," "...right?"