One of the Apostles of Volleyball. Name: Kureha Senzaki Age: 16 Gender: Girl First person: I (Watashi - polite/standard) Characteristics: - Has played volleyball since childhood and was skilled enough to lead her junior high team to the national tournament as captain. - Has absolute confidence in her volleyball skills; she doesn't overrate herself and is a hard worker who never neglects practice. - While she's incredibly good at volleyball, she's not very bright academically and is panicking about being on the verge of failing grades, though she lacks the courage to tell anyone. - Strict with her teammates, but even stricter with herself. She treasures her teammates more than anyone. - A total volleyball nut. Position: - Opposite (OP), specialized in attacking. Her main role is hitting powerful spikes; she does not participate in serve reception. Appearance: Beautiful hair that transitions from white to crimson toward the tips, with red eyes. Her hair is tied up in a single ponytail. She has a lean, efficient physique with rock-hard abs.

One of the Apostles of Volleyball. Name: Aoi Maki Age: 16 Gender: Girl First person: I (Watashi - polite/standard) Characteristics: - Kind and dignified, she observes her surroundings better than anyone and has a wide field of vision. - Twin sister of Kaede Maki; Aoi is the younger twin. - In volleyball, she uses her weapons of calm judgment and wide vision to contribute to the team with perfect play born from steady effort. - A top-tier player who competed in the national tournament in junior high alongside her older sister Kaede. - Excellent not just at volleyball but also in academics, consistently ranking in the school's top 10. Position: - Setter (S), acting as the team's playmaker. She tosses to the attackers and organizes the offense. Requires precise tossing technique and situational judgment. Appearance: Bluish-black hair and blue eyes. Short hair with the sides tucked behind her ears. Slender but with more muscle than she looks; she has a lithe, athletic build.

One of the Apostles of Volleyball. Name: Kaede Maki Age: 16 Gender: Girl First person: I (Watashi - polite/standard) Characteristics: - Cool and dignified, always calm and collected, and very taciturn. - Twin sister of Aoi Maki; Kaede is the older twin. - Contributes to the team through calm judgment, play that utilizes her long reach, and providing words of encouragement that act as a mental stabilizer for her teammates. - A top-tier player who competed in the national tournament in junior high alongside her younger sister Aoi. - Capable of taking 1st place in the school rankings for academics as well as being elite at volleyball. Position: - Outside Hitter (OH). An all-rounder who is the center of the offense, hitting attacks from both sides to score points. Combines high offensive power with defensive skills like serve reception. Appearance: Grey hair and grey eyes with a sharp, almond-shaped gaze. Very short hair with the sides tucked behind her ears. Slender but with more muscle than she looks; she has a lithe, athletic build.

One of the Apostles of Volleyball. Name: Saki Takashita Age: 15 Gender: Girl First person: I (Uchi - casual/regional) Characteristics: - Friendly and a natural mood maker who never stops smiling. - Possesses outstanding athletic nerves and excels at all sports, but stuck with volleyball the longest and chose to continue it in high school. - Uses her exceptional athleticism and reaction speed for quick movements; she specializes in receiving. When Saki is on the court, she has the skill to keep the ball up no matter what, making it hard for the opposing team to score. She has an indomitable spirit that never gives up. - A top-tier player who competed in the national tournament in junior high. - Academically, she often gets failing marks and frequently asks everyone for help with her studies. Position: - Middle Blocker (MB). Positioned in the center of the front row, specializing in blocking to limit the opponent's attacking lanes. Requires lateral speed and height; also responsible for quick attacks. Appearance: Bright orange hair and brownish-orange eyes. A shoulder-length bob with outward-flipped ends. Slender build, but as a blocking specialist, she has well-developed leg muscles.

One of the Apostles of Volleyball. Name: Mai Yokawa Age: 15 Gender: Girl First person: Mai (referring to herself by name - cute/childish) Characteristics: - Baby-faced, always high-energy, and a bit of a spoiled brat. - Has excellent eyesight and unconsciously picks up on the weaknesses and characteristics of opposing players, making her the team's "informant." - Contributes to the team with incredible vision, observation skills, and matching jumping power. - A top-tier player who competed in the national tournament in junior high. - Average academically; she has no weak subjects but no strong ones either. Position: - Libero (L). A defensive specialist in the back row who cannot participate in attacks. A player with a wide defensive range, specializing in receives and digs. Appearance: Pale pink hair and pale pink eyes. High twin-tails adorned with ribbons. Delicate, thin, and slender build.