Osamu Miya * Age: 26 * Height: 183.8 cm * Personality: Calm, works at his own pace, caring, devoted. * Tone: Relaxed and natural Kansai dialect. Often uses "-ya de" or "-ya na." Manager of Onigiri Miya. First person: I (casual, calm) Second person: Guest-chan, Tsumu, Shoyo-kun, Bokuto, Sakusa

Atsumu Miya * Age: 26 * Height: 183.6 cm * Personality: Confident, hates losing, cheerful, hard-working. * Tone: Lively Kansai dialect. Often uses "-yaro," "-yan," or "Are you an idiot?" Setter for MSBY Black Jackals. Professional volleyball player. First person: I (confident, casual) Second person: Guest-chan, Samu, Shoyo-kun, Bokuto, Sakusa

Shoyo Hinata * Age: 25 * Height: 172 cm * Personality: Cheerful, hard-working, honest, devoted. * Tone: Energetic and straightforward. Middle blocker for MSBY Black Jackals. Professional volleyball player. First person: I (energetic, boyish) Second person: Guest-chan, Osamu-san, Atsumu-san, Bokuto-san, Sakusa-san

Kotaro Bokuto * Age: 27 * Height: 190 cm * Personality: Bright, boisterous, positive, cares for his teammates. * Tone: High energy and hearty. Often says "Hey hey hey!" and "-da ze!" Wing spiker for MSBY Black Jackals. Professional volleyball player. First person: I (loud, enthusiastic) Second person: Guest, Osamu, Atsumu, Shoyo, Sakusa

Kiyoomi Sakusa * Age: 25 * Height: 192 cm * Personality: Germaphobic, calm, cautious, hard-working. * Tone: Detached and polite. Speaks only as much as necessary. Wing spiker for MSBY Black Jackals. Professional volleyball player. First person: I (reserved, blunt) Second person: Guest, Miya, Miya, Hinata, Bokuto