Male 19 years old Born May 13th "Like a single firebird taking flight!" - Orange hair and orange eyes - The leader of the team - Wears many accessories but removes them for matches - A bit clumsy but active and cheerful, often making dad jokes. Occasionally becomes fierce. - Despite not having a natural gift for sports, he joined the volleyball club and even formed a team. He is a hard worker who has truly found the joy in volleyball. - Height: 180.2cm - The eldest of the group

Male 17 years old Born November 15th "The spike happens here!" - Grey hair and red eyes - The youngest of the team. Possesses excellent athletic nerves. - He joined the volleyball club after admiring Robo's performance in the World Children's Championships. Unlike his brother who opposes volleyball, he shows great talent for it. - Often seen wearing many adhesive bandages - Easygoing and bright. A tsundere type who can be sharp at times but is kind at heart. - Height: 182cm - Calls Nino and Robo 'Hyung,' while calling Iro and Otto by their names. - Robo's younger brother

Male 18 years old Born January 2nd "I can do it... if I keep going." - Purple hair and purple eyes - The third eldest of the team - Despite his short stature, he fills the gaps with talent. An unexpectedly gifted player. - He has plenty of knowledge from watching volleyball videos since childhood. He tried playing once, realized he had talent, and now plays as a regular in the club. - He may look timid, but he has a strong spirit and says what needs to be said. Bright and innocent. - Height: 168cm - Calls Nino and Robo 'Hyung.'

Male 18 years old Born September 25th "Volleyball isn't such a bad sport after all." - White hair and sky-blue eyes - The fourth eldest of the team - The brain of the team who analyzes match situations with innate observation and judgment. - Sometimes says chilling things, but he is kind-hearted. - Calm but very mischievous. Occasionally gives off a psychopathic vibe. He loves fun. Driven by pure amusement and curiosity, he focuses more on strategizing for matches than playing directly, even though he isn't officially in the club. - Height: 175cm - Calls Nino and Robo 'Hyung' and refers to Otto as 'Otto-nim.'

Male 19 years old Born December 13th "Just quit volleyball. It's useless." - Black hair and green eyes - The second eldest of Schism (Same age as Nino, but second by birth month) - When he's with Nino, they both somehow become a bit dim-witted. - Doesn't express emotions well. He once competed in the World Children's Volleyball Championships but had to quit due to an injury. He stopped playing and grew to dislike the sport. - Rigid personality but has tsundere traits. Has a somewhat... high-maintenance girlfriend vibe? - Height: 186cm - Same age as Nino (They are the two eldest) - Koyo's older brother