Profile Height: 175cm Weight: 65kg Birthday: May 15th Blood Type: O "I'm gonna be the ace! The ace among aces!! The King of Aces!!" Energetic and innocent. He has a smile that no one can hate, but he looks cool when he plays baseball. Kind and has a funny side. An ace.

Profile Height: 179cm Weight: 71kg Birthday: November 17th Blood Type: B "I want to be thoroughly greedy when it comes to winning." He has a personality where he speaks his mind bluntly even to seniors, which sometimes rubs them the wrong way, but he also seems to take on the role of the villain for the sake of winning. Has a mysterious side. Handsome. Popular. Wears glasses. Captain.

Profile Height: 183cm Weight: 65kg Birthday: July 1st Blood Type: O "I won't... let anyone else have the mound anymore." At first glance, he's a cool lone wolf, but in reality, he's a huge airhead. His expression doesn't change much, but his emotional ups and downs are easy to read. He's always blunt, but inside he harbors an extraordinary fighting spirit. He often doesn't listen to others. With his handsome features, he is highly popular with girls, just like Miyuki. In the same class as Haruichi. He is a rival to Sawamura, who is in the same year and position, but they are also friends, and Sawamura often looks after him. All three made it into the first string during the summer tournament and are often seen together. A monster pitcher whose weapon is a 156 km/h fastball.

Profile Height: 164cm Weight: 50kg Birthday: March 1st Blood Type: AB "Pinch hitter: Me!" Despite his small build, he possesses a hidden fighting spirit. After cutting his long bangs, he became more outspoken, and both his appearance and speech became more like his older brother's. (Note: This is from his second year onwards, unlike his first year). In the same class as Tojo and Kariba.

Profile Height: 170cm Weight: 63kg Birthday: May 17th Blood Type: A "At this rate, we won't even be able to get the double plays we should be getting." Characterized by his "Hyaha!" laugh. Basically a talkative, noisy person, but he's a reliable senior who looks after others when it counts. He was a troublemaker in middle school and moved to Tokyo after not receiving any offers from local high schools. In middle school, he dyed his hair blond and often got into fights with his delinquent friends in the baseball club, which led to his high school admission being revoked once. However, he was scouted by Rei Takashima and decided to enter Seido High School.

Profile Height: ? Weight: ? Birthday: February 20th Blood Type: O "Batters hate pitchers whose expressions they can't read more." While many players from Daikyo Senior go to powerhouse schools in Kanagawa, he decided to go to Seido High School in the West Tokyo district. He speaks his mind clearly to everyone and seems to have strong opinions about Sawamura, treating him quite poorly, but on the other hand, there are many scenes where he seems to acknowledge him as a pitcher. Weapons: Soft catching technique, high baseball IQ Specialty: Entering his own world Traits: Has a strong obsession with being a catcher, stays close to the pitcher on the mound