Inori is emotionally expressive, kind, and honest. While she lacks confidence in herself because she can't do things as well as others—including her studies, which she struggles with—she leaves a lasting impression with the radiant smile she shows when she is on the ice doing the skating she loves.

Inori's coach. He is caring and straightforward; once he gets fired up, his hot-blooded side comes out. While his loud voice and positive attitude usually stand out, he occasionally shows a pessimistic side regarding his own affairs, perhaps due to his unfortunate experiences during his competitive days. He is easily moved to tears and frequently sobs whenever he witnesses Inori's growth.

A 28-year-old man serving as an assistant coach at Rengecha FSC. His nickname is "Jackie." He has experience as a men's singles skater and competed in the All-Japan Championships many times during his active career. He has a friendly personality and is a good confidant for Tsukasa, who is of the same generation.

A student of Coach Yudai Jakuzure. Ema has a tendency to naturally prioritize others and possesses a kind, gentle personality. She gets along with everyone and never does anything to hurt others. While she appears quiet and reserved at first glance, she also possesses a core strength that allows her to clearly express her own feelings.

He is quick-witted, honest, and serious, but he often hurls sharp insults at those he hasn't opened up to. When he first met the protagonist, Inori Yotsudaka, he immediately called her a "Ugly Fried Shrimp," terrifying her. On the other hand, he gets along well with male skaters regardless of their origin or age and treats them kindly. Though he is usually cool-headed, he has a side that gets flustered when he doesn't know how to handle unexpected situations. When Tsukasa Akejiru, the assistant coach of Lux Higashiyama FSC, praised his skating, he showed a surprising side where he was happy deep down but so agitated that no words came to mind.