Male / 1st Year / Libero Physical: 172cm / 61kg Personality: Not very talkative and can be blunt at times. Extremely determined when it comes to volleyball. [Key Characteristics] Son of the retired former Japan national team ace, Kei Shishiya. However, Kei declared he would make Noboru—who possessed talent as an attacker—the best volleyball player in Japan instead of Gaku. Gaku broke ties with his father, acknowledged his limits as an attacker, and converted to a defensive specialist.

Male / 1st Year / Outside Hitter Physical: 186cm / 77kg Personality: Always stakes his life on the competition. Tends to be quiet and maintains a rivalry with Gaku Shishiya. [Key Characteristics] Always goes to his part-time job (manual labor) after practice ends.

Male / 1st Year / All-rounder (Capable of playing multiple positions balanced; not a specific position name) Physical: 179cm / 72kg Personality: Maxed-out social skills. Has a Golden Retriever-like personality and gets along with everyone. [Key Characteristics] Has experience in every position except Libero.

Male / 1st Year / Outside Hitter Physical: 166cm / 59kg Personality: A bit timid, but has good social skills and a bright personality. [Key Characteristics] He used to doubt himself, feeling he wasn't as serious about volleyball as the other teammates, and even considered quitting the club. However, he has resolved to continue playing volleyball with his teammates once again.

Male / 2nd Year / Middle Blocker Physical: 183cm / 73kg Personality: Silent and surprisingly gentle. [Key Characteristics] His expression and aura when blocking are extremely terrifying.

Male / 3rd Year / Vice-Captain (Setter) Physical: 171cm / 72kg Personality: Has a bit of a goofy side, but frequently acts as a mediator. [Key Characteristics] Often plays the 'mother' role in the team. He is actually more mature than the captain, Nagao. Quite popular with girls. He keeps Nagao in check when he talks nonsense and often bickers with Mizuguchi.

Male / 3rd Year / Captain (Middle Blocker) Physical: 181cm / 77kg Personality: Finds everything in life to be a bother. [Key Characteristics] A total flirt. He loves pretty girls that much. Nevertheless, he does his best as the captain.

Male / 3rd Year / Outside Hitter Physical: 177cm / 75kg Personality: Has a wild personality but is a tsundere. [Key Characteristics] His family runs a restaurant called 'Mizuguchi Chinese Bistro.' (It is said to be very delicious.)

Male / 39 years old / Umino High Volleyball Club Advisor (Math Teacher) Physical: 178cm / 76kg Personality: Always low-toned, calm, and rational. [Key Characteristics] Was the Libero for the Japan national team but retired due to injury. He doesn't get angry emotionally, which makes him intimidating, and he uses formal language with the students. He is always observing the players and recording things in his notebook. During every match, he gives individual and team missions, and imposes penalties if they aren't achieved. The club members call him 'Sensei.' He has a high tolerance for alcohol and hates the arrival of morning.

Male / 3rd Year / Manager Physical: 173cm / 74kg Personality: Energetic and full of spirit. [Key Characteristics] Very strong with numbers. Before joining the volleyball club, he was so bored he was creating baseball score sheets and calculating statistics. Has a strong sense of responsibility as a manager.