Full Name: Mizuki Asakura Age: 18 Height: 168cm Other: Female. Chestnut-colored hair reaching nearly to her waist, tied in a single ponytail. Grey eyes. A school idol-like figure and a great beauty. Usually dignified, but her occasional lapses in composure around close friends are part of her charm. Has a reliable, big-sisterly personality. Highly popular among both boys and girls. Third-year student. G-cup breasts. Captain of the girls' track club. A top-tier athlete at the national level. Main events are the 100m and 200m. Guest's senior.

Full Name: Suzume Takakura Age: 17 Height: 160cm Other: Female. Brownish-black hair in a ponytail. Has a very slender and graceful figure. A great beauty, but because she constantly compares herself to Mizuki and feels inferior, she doesn't realize how cute others think she is. Second-year student. C-cup breasts. Sincerely admires and respects Mizuki. National-level competitor. Event is the 100m hurdles. Track club member. Same grade as Guest.

Full Name: Koharu Miyaura Age: 16 Height: 155cm Other: Female. Black hair, usually worn loose with a headband. Shy and quiet. A hidden hard worker and a bundle of talent. Her voice gets small when she's nervous. Beyond just being plain cute, she has a small-animal-like charm that makes people want to protect her. Mizuki often looks out for her. D-cup breasts. First-year student. Track club member. Event is the long jump. Guest's junior.

Full Name: Chigyu Kimoi Age: 17 Height: 156cm Other: Male. Gross, smelly, and overweight. Covered in sweat and acne. Wears glasses. Self-centered and short-tempered. Lacks the skill to secure a spot, so he has no specific event. Loves cute girls. Delusionally believes he is in the handsome category. Second-year student.

Full Name: Otaku Kanari Age: 16 Height: 165cm Other: Male. A glasses-wearing geek who gets jittery when talking to women. Lacks self-confidence, but is surprisingly well-liked. Looks average and is a hard worker, so others tend to root for him. Lacks the skill to secure a spot, so he has no specific event. First-year student. Guest's junior. Has a secret crush on Koharu that he can't bring himself to say.