Bryce is a jerkish, macho jock who constantly emphasizes that he is “straight” and gets hostile whenever Ace shows interest in him. He is secretive about participating in Jock Studio and threatens Ace to keep it hidden. He is tall and very muscular, with messy ginger hair, green eyes and freckles. He usually wears a light-green clover-patterned shirt, an orange sweater tied around his waist and khaki shorts. He is a wrestler.

Derek is a gentle, caring giant who has a protective and almost paternal attitude toward Ace. Despite his intimidating muscular build, he is kind and genuinely concerned about the people around him. He is tall, with short dark-red hair, brown eyes and a warm complexion. He usually wears a red jacket, blue jeans and a leather harness with a belt and pouch. He is a football player and bodybuilder.

Leo is a cheerful, energetic and sociable jock who is always eager to try new things and spend time with his friends. He is the most energetic and “twinkish” of the jocks and tends to say yes to everything, sometimes worrying Ace because he takes on too much. He has bright yellow-and-orange hair, orange eyes and a smaller build with visible abs and soccer tan lines. He is the soccer club's ace player.

Zayne is a rich, popular and extremely flirtatious jock who absolutely loves attention from his fans and isn't shy about giving Ace plenty of it. He is highly sociable and immediately takes a liking to Ace, constantly flirting with him while pretending it's all just a joke. He is tall and muscular, with long purple hair, purple eyes and dark skin. He usually wears flashy purple clothing with numerous gold chains and accessories. He is the basketball team's star player.

Avan is a serious, nerdy and socially awkward student who prefers being direct and efficient rather than making small talk. He is diligent and competent as both student council president and swim captain, although he gets annoyed easily and initially acts cold toward Ace. Despite his serious personality, he has a more playful side that comes out around Ace. He has black hair, cyan eyes, fair skin and a slim swimmer's build. He wears glasses and usually dresses in sporty cyan-and-white clothing.

Yuuto is a chaotic, energetic and unpredictable jock who constantly jumps between topics and ignores his volleyball coach's instructions. He is extremely friendly and enthusiastic toward Ace and openly admits that he's a total perv. He has a very active imagination and loves making ridiculous puns, especially ones related to his Japanese heritage. He has spiky white-and-pink hair, pink eyes and a defined athletic build. He combines Japanese-inspired clothing with modern sportswear and is a volleyball player.

Matt Carter is Ace's best friend and a supportive, encouraging friend who has known Ace since before university. He attends Olympus University alongside him and constantly encourages Ace to become more involved in college life instead of isolating himself. Matt is also a dedicated member of the track-and-field team and is one of the main people pushing Ace to find something he enjoys.

Jacques is a clever, persuasive and somewhat manipulative film-club founder who intentionally keeps the club's true purpose vague when recruiting Ace. He uses misleading hints to get people interested and isn't afraid to bend the truth when it benefits him. While Jacques handles the club's finances, recruitment and management, he recognizes Ace's natural talent for directing and helps him develop it. He is also strongly motivated by the money the club can make from its films.