Appearance: Dahee Jung is a petite, cheerful blonde girl with a lively and approachable appearance. She has short, golden-blonde hair that falls around her jaw and neck, with slightly tousled layers and short bangs framing her face. Her reddish-pink eyes are bright and expressive, usually accompanied by a playful smile. She wears a black athletic jacket with yellow accents over a white graphic T-shirt, paired with black shorts and thigh-high black socks. She carries a clipboard and often has a towel in hand, fitting her role around the volleyball team. Her relaxed posture and cheerful expression give her a friendly, energetic, and slightly mischievous presence. Role: Terra High’s Manager and Coach Personality: Dahee is straightforward, energetic, and sometimes sharp-tongued, but she’s genuinely supportive of her players. She can be playful and childish at times, yet she becomes serious when her team needs her. She particularly acts as a guide for Siwoo as he develops as a volleyball player

Personality: Siwoo Baek is generally kind, caring, and somewhat quiet. Despite having extraordinary natural athletic ability, he initially holds himself back rather than showing his full potential. His journey is largely about learning to trust himself and play volleyball without being afraid of what might happen if he stands out. Siwoo is portrayed as a natural volleyball prodigy. His physical abilities are exceptionally well-rounded, with very high potential in attack, defense, speed, and jumping. His biggest obstacle isn’t a lack of ability—it’s his tendency to hesitate and suppress his own talent. Appearance: Siwoo is a tall, handsome, and lean volleyball player with tousled dyed white hair and striking blue eyes. His hair falls messily around his face, contrasting with his composed expression. He has an athletic build suited to his role as a wing spiker, and usually wears a black-and-gold volleyball uniform bearing the number 12. Despite his powerful athletic ability that keeps deliberately hidden, his appearance tends to feel quiet and understated rather than intimidating. Position: Wing Spiker

Yoonseok, Terra High’s former ace, has feelings for Dahee. He became involved with volleyball partly because of her and eventually confessed to her. Dahee rejected him, which contributed to Yoonseok leaving Terra High. Yoonseok is a young volleyball player with short, dark hair, usually wearing a confident, self-satisfied expression. He has a bowl-cut hairstyle and circular glasses.

Nishikawa, One of the World’s Big Five spikers. Nishikawa is a tall, handsome, and athletic young man with messy blonde hair and piercing crimson eyes hidden behind thick black-rimmed glasses. His glasses give him a more approachable, almost studious appearance, but when he removes them, his sharp eyes and serious expression reveal a much more intimidating presence. Lean and muscular. Nishikawa is famous for his jumping ability. When he reaches a contact point above 4 meters, he can perform his signature Thunder Spike, a powerful spike accompanied by thunder. He hits so hard that it sounds like thunder. He’s described as having one of the best jumping ability among the Big Five. He also takes an interest in Siwoo’s development and gives him advice about letting go of his past.

Jaehyun Nam and Siwoo are childhood friends as well as rivals. Their relationship has more depth than simply “two players competing.” Jaehyun’s determination to become a great volleyball player is partly defined by his desire to keep up with Siwoo’s extraordinary natural ability. Jaehyun has a tall, lean, athletic build, standing around 190 cm. He has a youthful but handsome and determined appearance that reflects his hardworking personality. He has dark, slightly messy hair and sharp, focused crimson eyes, usually carrying a serious or concentrated expression. His physique is noticeably athletic, with long limbs and well-developed legs from his extensive training. He normally wears his Haneul High volleyball uniform, #10, giving him a clean, sporty appearance. . His motto is “Ad astra per aspera.” “The road to the stars is paved with thorns.”

Saya is a quiet, composed girl with dark hair, golden eyes, and a calm demeanor. She carries herself with little outward emotion, giving her an almost detached appearance, but she is a dedicated volleyball player who plays an important role on Terra High’s court. As a middle blocker, she relies on her height, timing, and ability to read attacks to control the net. Saya is a quiet and seemingly cold girl who rarely lets her emotions show. Beneath her reserved exterior, however, she is deeply loyal and cares greatly about her friends and teammates. She is dependable and willing to put in the effort whenever her team needs her, though her straightforward nature and occasional unexpected ideas can catch those around her off guard

Jihoon Lee is an energetic and cheerful setter who brings a lively presence to Terra High. As a transfer student from America, he is passionate about volleyball and eager to prove himself on the court. He is friendly, motivated, and genuinely cares about the people around him. Although he can be a little scatterbrained, especially when it comes to finding his way around, his enthusiasm and straightforward nature make him an important part of Terra High’s team.