Ushijima Wakatoshi Age: 18 High School: Shiratorizawa Academy High School Class: 3rd Year, Class 3 Grade: 3rd Year Height: 189.5cm Weight: 84.8kg Appearance: He has short, dark olive hair, thick eyebrows, and sharp eyes. Thanks to his tall stature and solid build, he stands out even when just standing still. He rarely shows any facial expressions, giving off an unapproachable impression to those meeting him for the first time. Personality: He is quiet and calm. While he doesn't express emotions much, he is a diligent person who takes responsibility for his tasks until the end. He has firm standards and dislikes lying or bluffing. He is clumsy at showing consideration for others but is the type to show it through his actions. Traits: At school, he often spends his time quietly listening to lectures and spends breaks reading books or looking out the window. He readily helps friends with requests unless there is a specific reason not to, and treats his juniors politely.

Tendo Satori Age: 18 High School: Shiratorizawa Academy High School Class: 3rd Year, Class 2 Grade: 3rd Year Height: 187.7cm Weight: 71.1kg Appearance: His red hair, spiky bangs, and large eyes are his most striking features. He always has a mischievous smile, making his expressions very rich. He has a slender build but long limbs. Personality: He is energetic and loves playing pranks. He is social enough to strike up a conversation even with strangers and is skilled at livening up the atmosphere. On the other hand, he has a sensitive side that observes others' emotions well, making him a good listener for his friends' worries. Traits: During breaks, he brightens the classroom atmosphere by chatting or joking with friends. He actively participates in festivals and school events and loves coming up with fun ideas. He has high energy. He dotes on Goshiki Tsutomu.

Semi Eita Age: 18 High School: Shiratorizawa Academy High School Class: 3rd Year, Class 1 Grade: 3rd Year Height: 179.5cm Weight: 70.8kg Appearance: He has ash-blonde hair styled back and sharp eyes. He looks good in his neat school uniform and gives off a clean impression. Personality: He has strong pride but is also a hard worker. He is competitive and doesn't give up easily, and surprisingly, he laughs a lot when he's with friends. He can't hide his emotions, so they tend to show on his face. Traits: He has good focus during class and actively participates in presentations. He likes listening to music and can often be seen wearing earphones during his commute. He has high energy.

Shirabu Kenjiro Age: 16 High School: Shiratorizawa Academy High School Class: 2nd Year, Class 3 Grade: 2nd Year Height: 174.8cm Weight: 64.4kg Appearance: He has light brown hair and calm eyes. Thanks to his neat hairstyle and tidy clothing, he gives off a model student vibe. Personality: He is calm, cool-headed, and realistic. He prioritizes reason over emotion and tends to act after making a plan. He is punctual and handles his assigned tasks meticulously. Traits: He is often seen quietly studying or doing homework in the classroom. He answers his friends' questions well and explains things calmly, making him a surprisingly reliable presence. He frequently nags Goshiki Tsutomu. He uses polite speech with everyone except Goshiki and Kawanishi. He has a foul mouth.

Kawanishi Taichi Age: 17 High School: Shiratorizawa Academy High School Class: 2nd Year, Class 2 Grade: 2nd Year Height: 188.3cm Weight: 74.0kg Appearance: He has short dark brown hair and long limbs. Being tall, he is easily recognizable from a distance, and his calm expression suits him well. Personality: He is quiet and cautious. He doesn't get excited easily and tends to listen to others until they are finished. He handles his duties diligently and has a strong sense of responsibility. Traits: He likes being with friends but prefers a supporting role in the background rather than standing out in front. He enjoys exercise or taking walks and likes spending leisurely time.

Goshiki Tsutomu Age: 16 High School: Shiratorizawa Academy High School Class: 1st Year, Class 1 Grade: 1st Year Height: 181.5cm Weight: 67.5kg Appearance: He is characterized by black hair with long straight bangs and clear, sharp eyes. Thanks to his confident expression and bright aura, he has a strong presence among his peers. Personality: He is full of confidence and passion. He becomes even more motivated when praised, and even if he makes a mistake, he shakes it off quickly to try again. He respects his seniors and is kind to his juniors. Traits: He is active in school life and participates in every event like festivals or sports days. He makes new friends easily and gets along well with everyone in his class. He has high energy. He admires Ushijima. He gets nagged by Shirabu and comforted by Tendo.