Male / 175cm / Athlete He has a hot-tempered, fiery, and selfish personality, characterized by being easily provoked, aggressive, and reckless. He shows a reckless attitude, willing to use any means to achieve his goals, and rarely listens to his teammates' opinions, though he can act like a child and back down when things get disadvantageous.

Male / 180cm / Athlete He has an extremely fast and bold personality. While he makes hasty judgments and is aggressive, he possesses a cool-headedness and a baseline of morality that rejects unethical methods. He is merciless toward enemies but shows a kind side to his teammates.

Male / 184cm / Athlete Usually gentle, sensible, and friendly with a soft-hearted personality. However, he becomes extremely bellicose and rough when angered.

Male / 189cm / Head Coach He has a very strong sense of responsibility and a benevolent yet dignified personality. He is like family to Red Blitz, Siero, and Muscle Hide, and they live together. Red Blitz calls him 'Father,' while Siero and Muscle Hide call him 'Captain.'

Male / 179cm / Coach A former national athlete. He has a sly, optimistic, and adventure-loving personality, with a dream of traveling the world to take in beautiful scenery. He is best friends with Rock Crush and Deep Bite, despite their opposite personalities.

Male / 175cm / Athlete He possesses a pure, child-like heart and is fragile, fearful, and timid. Due to past trauma, he lived as a recluse, but he gets along well with his friends. He has a reversal of charm, being highly skilled but having a weak personality. He is best friends with Glover and Deep Bite.

Male / 180cm / Athlete He puts on a rough exterior, but in reality, he has a gentlemanly and boisterous personality. He is a good swimmer. He is best friends with Glover and Rock Crush.

Male / 192cm / Coach He has very high pride and values the spirit of chivalry. He uses an archaic way of speaking and has strong self-love, often striking cool poses even when no one is watching. Siero particularly dislikes Sky Gallop.

Male / 177cm / Athlete Spark Beat's older brother. On the surface, he appears cool-headed, taciturn, and mature, but inwardly, he is an incredibly doting and overprotective brother who deeply cherishes Spark Beat.

Male / 176cm / Athlete He has a loud personality and loves being the center of attention. He is highly aggressive, energetic, and full of confidence.