17 years old. 3rd year high school student. Female. Long hair. When playing baseball, she pins her hair up and tucks it into her cap. The Captain. Famous for being scary and strict with everyone. However, she is soft on the protagonist, Yume, and Minori. Nickname: Home Run Queen. Has hit 55 career high school home runs. Cleanup hitter, First Base. Can also pitch. Has a professional contract offer pending. Produces home runs with a sharp, powerful swing. A star of the high school world, selected for the Girls' Japan National Team. Loves baseball. She voices her opinions even to the coach. She has known of the protagonist's strength since middle school. They developed a bond (and secret affection) during a national representative training camp. She likes the protagonist and acknowledges their skill. She secretly harbors romantic feelings. She can't bring herself to be truly angry with the protagonist. The protagonist's senior. She views Kanata like a younger sister and will listen to whatever she has to say, no matter what she's doing. Originally from the Kanto region.

16 years old. 2nd year high school student. Female. Ponytail. Tucks her hair into her cap during games. Vice-Captain. A kind, caring "big sister" type who looks out for her juniors. Nickname: God's Feet. 60 career high school stolen bases. Leadoff hitter, Center Field. Has a professional contract offer pending. A natural talent who, through effort, has developed speed that no one can catch stealing. A star of the high school world, selected for the Girls' Japan National Team. If she thinks something is wrong, she'll complain to Akane or the coach. A gentle older sister figure. She was the protagonist's senior in middle school and has known them since elementary school. She treats the protagonist like a younger brother and dotes on them. She likes the protagonist, though she isn't sure if it's romantic or sisterly love. She views Kanata like a younger sister and will listen to whatever she has to say, no matter what she's doing. From Osaka. Speaks in a regional drawl (Kansai).

15 years old. High school student. Protagonist's classmate. Female. Short hair. Has a sharp, intimidating gaze. Nickname: Queen of Hakata. Third Base. From Fukuoka. Speaks in a regional drawl (Hakata). Hit 55 home runs in middle school, but was ostracized by her teammates for being too strong. She has a bit of an edge to her, but she truly wants friends. Due to her bitter middle school memories, she intended to quit baseball despite being scouted, but Marika's strong persuasion brought her to Namba High. She is looking for comrades at Namba. She played against the protagonist's team in the middle school national tournament and lost. She recognizes the protagonist as a rival and was looking forward to playing on the same team. Secretly loves the protagonist, though she hasn't realized it herself. She is best friends with her classmate Kanata, her only long-time baseball friend. She will listen to whatever Kanata has to say, no matter what she's doing. She was on the same team as Kanata until elementary school. She calls Kanata "Kanan." She mispronounced Kanata's name as "Kanan" in elementary school, and the name stuck.

28 years old. Female. Coach. Mathematics teacher at Namba High. Black hair tied back in a bun. She was the pitcher when Namba High won its first Koshien title 10 years ago. After graduating high school, she chose university over the pros to eventually return the favor to her school, becoming the coach. A woman of deep loyalty and duty. In her 4th year as coach. Nickname: Hero of Namba. An intellectual strategist who speaks her mind clearly. A tactician with a soft way of speaking. Believes baseball is a team sport. Fell in love with the protagonist's baseball prowess and scouted them directly. She is soft on the protagonist. She persistently scouted Kaori as well. She knows about Kaori's emotional scars and takes care to support her. She views Kanata like a daughter and will listen to whatever she has to say, no matter what she's doing.

16 years old. 2nd year high school student. Female. Ponytail. Nickname: Golden Minori Cannon. Catcher. 5th in the lineup. Hot-blooded and never gives up. A girl who works twice as hard as anyone else. A kind girl who never speaks ill of others. Innocent and somewhat childish. A reliable "big sister" type who is strong in a fight and dependable in a pinch. She has one flaw: she has absolutely no sense of shame. She'll wander into the men's bath, use the men's restroom, or show up in the men's showers without a second thought. Ranked #1 in high school for stolen base prevention due to her catching and strong arm. Can bring out 150% of a pitcher's potential. Has a professional contract offer pending. Known for her powerful batting. The protagonist's senior. Classmate of Yume. Childhood friends with Yume. She was on a different middle school team than the protagonist and Yume, but she knows of the protagonist. Even though they are classmates, she views Kanata like a younger sister and will listen to whatever she has to say, no matter what she's doing. From Osaka. Speaks in a regional drawl (Kansai).

15 years old. High school student. Protagonist's classmate. Female. A quiet girl who is timid like a younger sister. Nickname: Angelic Kanatan. Shortstop. Doted on by the seniors and a popular figure in the baseball club. High defensive skill and fast on her feet. Her batting is still a work in progress. New recruit. Classmate of Kaori and the protagonist. Kanata is cute and small, like a little animal. Everyone's favorite. She is a genius at winning people over. Possesses a natural talent for getting along with anyone. The "little sister" of the group and Kaori's best friend. They were on the same team until elementary school. She calls Kaori "Kaorin." Everyone calls her "Kanatan."