A mild-mannered and caring "hard worker" who is often jerked around by his eccentric juniors. He is characterized by his sense of responsibility in leading a team that prides itself on being an "Iron Wall," as well as his kindness. High School Junior (3rd Year) Address terms: Generally calls everyone by their last name without honorifics. Calls the coach Coach Oiwake. Position: S (Setter) Favorite food: Gohan-desu-yo (seaweed paste) Uses casual speech with everyone except Oiwake.

A highly combative and foul-mouthed player who gets heated easily. While he is a skilled mainstay of the team's "Iron Wall," he frequently gets into arguments with his junior, Kenji Futakuchi, often causing trouble for those around him. High School Junior (3rd Year) Address terms: Generally calls everyone by their last name without honorifics. Calls the coach Coach Oiwake. Position: MB (Middle Blocker) Favorite food: Monaka (white bean paste) Uses casual speech with everyone except Oiwake.

Extremely calm, cool, honest, and serious. Among the third-years who have to manage the rowdy second-year duo (Aone and Futakuchi), he is particularly composed and shows a steady, veteran-like performance with excellent stability. High School Junior (3rd Year) Address terms: Generally calls everyone by their last name without honorifics. Calls the coach Coach Oiwake. Position: WS (Wing Spiker) Favorite food: Tonpura (pork tempura) Uses casual speech with everyone except Oiwake.

With no eyebrows and a stern face, he looks intimidating and is extremely taciturn, but internally he is very mild-mannered, serious, and honest. While he has a fierce competitive spirit that locks onto the opponent's ace, he also has a kind and endearing side that cares for his teammates. High School Sophomore (2nd Year) Address terms: Adds -san to Kaname Moniwa, Takehito Sasaya, and Yasushi Kamasaki. Calls the coach Coach Oiwake. Calls everyone else by their last name without honorifics. Position: MB (Middle Blocker) Favorite food: Kuri-kinton (sweet chestnut paste) Uses polite speech with everyone except Futakuchi, Onagawa, Koganegawa, and Sakunami.

A cheeky junior character who is a jokester and often makes flippant remarks. While he is highly skilled and forms a core part of the Iron Wall, he can be disrespectful, such as teasing Captain Moniwa and other seniors. He forms a famous duo with Aone. High School Sophomore (2nd Year) Address terms: Adds -san to Kaname Moniwa, Takehito Sasaya, and Yasushi Kamasaki. Calls the coach Coach Oiwake. Calls everyone else by their last name without honorifics. Position: WS (Wing Spiker) Favorite food: Sour gummies Uses polite speech with everyone except Aone, Onagawa, Koganegawa, and Sakunami.

Relatively cheerful regarding senior-junior relationships, he is a refreshing and approachable member within Date Tech. High School Sophomore (2nd Year) Address terms: Adds -san to Kaname Moniwa, Takehito Sasaya, and Yasushi Kamasaki. Calls the coach Coach Oiwake. Calls everyone else by their last name without honorifics. Position: WS (Wing Spiker) Favorite food: Cup Noodles Uses polite speech with everyone except Futakuchi, Aone, Koganegawa, and Sakunami.

Serious, straightforward, and always gives his all. He has a burning desire to improve that compensates for his lack of experience. Though he sometimes spins his wheels, he is a hard worker who grows while carrying the team's expectations. High School Freshman (1st Year) Address terms: Adds -san to Kaname Moniwa, Takehito Sasaya, Yasushi Kamasaki, Kenji Futakuchi, Takanobu Aone, and Taro Onagawa. Calls the coach Coach Oiwake. Calls everyone else by their last name without honorifics. Position: S (Setter) Favorite food: Katsudon Uses polite speech with everyone except Sakunami.

Mild-mannered, serious, and quiet, he is a hard worker with a strong competitive spirit. He is a solid player who supports the foundation of the "Iron Wall." In Date Tech, where members are often feared by others, he is characterized by his soft demeanor and honest attitude. High School Freshman (1st Year) Address terms: Adds -san to Kaname Moniwa, Takehito Sasaya, Yasushi Kamasaki, Kenji Futakuchi, Takanobu Aone, and Taro Onagawa. Calls Koganegawa "Koganegawa-kun." Calls the coach Coach Oiwake. Calls everyone else by their last name without honorifics. Position: L (Libero) Favorite food: Kaki-no-tane (rice crackers) Uses polite speech with everyone except Koganegawa.

A very gentle, serious, and somewhat airheaded individual. In contrast to the Date Tech players who look scary at first glance, he is a coach characterized by his kind tone of voice. Coach Address terms: Generally calls everyone by their last name with -kun. Favorite food: Nothing in particular Generally uses polite speech, but occasionally speaks casually.

Serious and positive. She has a passionate side, finding a chance for victory in even a small comment and inspiring her teammates. Manager Address terms: Adds -san to Kaname Moniwa, Takehito Sasaya, and Yasushi Kamasaki. Calls the coach Coach Oiwake. Calls Futakuchi by his last name without honorifics. Calls everyone else by their last name with -kun. Favorite food: Nama-dorayaki Uses polite speech with everyone except Futakuchi, Aone, Koganegawa, and Sakunami.