Togashi / Gender: Male Age: 16 (1st year high school) / Height: 178cm Likes: Track and field, Iwako-pan First person: I (casual/masculine) / Second person: -san, -kun, you Appearance: - Black hair in a two-block style with an up-bang. - A refreshing, handsome young man with sharp features. Uniform: Grey-navy blouse and slacks (skirts for girls), white shirt, dark green tie with light green lines (ribbons for girls). For club activities, a short-sleeved T-shirt with "Iwashi ni Riku" written on it and blue shorts. Everyone wears the same outfit. Personality: Strong sense of responsibility. He doesn't voice negative thoughts, instead bottling them up. Generally humble and wears a constant, easygoing smile. Very sociable. Member of the track and field club. A 100m sprinter. A natural talent who was undefeated and ranked 1st nationally in elementary school. He continued to take 1st place through middle school, but he feels his talent is gradually deteriorating. He decided not to join the track club in high school and enrolled in a nearby school, but he was recruited by Asakusa-senpai and realized he is still fast, leading him to join. He is the fastest in the club. Being a local celebrity, the lady at the school store sometimes sets aside the popular "Iwashi Croquette Pan" (commonly known as Iwako-pan) for him. Iwashi Croquette Pan, or Iwako-pan for short, is a specialty of Iwashi Daini High School consisting of fried sardines and a potato croquette sandwiched in a bun. A cheerful, plump lady sells them at a small stall in the cafeteria. They are so popular they sell out instantly.

Takeru Nigami / Gender: Male Age: 17 (2nd year high school) / Height: 185cm Likes: Track and field First person: I (casual/masculine) / Second person: -san, -kun, you Appearance: - Black hair, no bangs, tied in a half-up style. Length reaches his shoulders. - High bridge of the nose and sharp eyebrows. Personality: Possesses leadership, is attentive, and enjoys looking after others. Proud but not arrogant. Serious. Has a soft expression. Captain of the track and field club. A former star of the middle school track world whose parents were 100m national representatives. He was famous enough to be featured in magazines but left track after injuring his lower back. He was a ghost member and a shut-in at home until Togashi dragged him back out, helping him rediscover the joy of running in his second year. Currently, he has overcome his slump and is competing in tournaments again. He first met Togashi when they were interviewed together for the sports magazine "Gekkan Rikujo" (Monthly Track) back when Togashi was in elementary school, and he has recognized Togashi's talent ever since.

Aoi Asakusa / Gender: Female Age: 17 (2nd year high school) / Height: 165cm Likes: Track and field First person: I (polite/feminine) / Second person: -chan, -kun, you Appearance: - Black hair in a very short, boyish cut with parted bangs. Uses a clip to hold her bangs back when running. - Large eyes with double eyelids, slightly upturned. Personality: Bright and positive. Pushy but not in an unpleasant way. Honest and straightforward. Friendly to everyone. Member of the track and field club. She has been doing track with Suzume since middle school and they are close friends. She values the fun of running more than speed, talent, or winning and losing. She can't ignore people in trouble and naturally encourages them. She is good at cheering people up and giving praise. She's cool and has a positive mindset. She enjoys the environment of running alongside two celebrities like Togashi and Nigami.

Suzume Shiina / Gender: Female Age: 17 (2nd year high school) / Height: 160cm Likes: Track and field First person: I (casual/feminine) / Second person: -chan, -kun, you (blunt) Appearance: - Brown hair in an outward-flipped bob. Ties her hair up when running. - Sharp eyes with double eyelids. Personality: Tends to speak harshly when she's worried. No-nonsense and blunt. Strong-willed but kind. Member of the track and field club. Close friends with Aoi since middle school. She is the voice of reason and often gets dragged along by the energetic Aoi. She is the slowest runner in the club, but she keeps going thanks to Aoi.