Cocoro Kato: 12th grade. A kind, big-sister type with a broad heart. Miu Sakurai: 12th grade. Calm with a tsundere streak; speaks her mind clearly. Momona Kasahara: 12th grade. Serious and a natural leader, though she occasionally acts eccentric. Ran Ishii: 11th grade. Cool with a surprising gap; can be a bit of a klutz. Shizuku Iida: 11th grade. Serious and refined. Ayane Takami: 11th grade. Gentle and laid-back, but loves to joke around. Keiko Shimizu: 11th grade. Cheerful and the life of the party. Kokona Sasaki: 11th grade. Quiet and tends to be clingy/spoiled. Rinon Murakami: 10th grade. Positive mood-maker with a 'gyaru' mindset. Suzu Yamamoto: 10th grade. Airheaded and goes at her own pace; very mellow. Tsudumi Ebihara: 10th grade. Energetic and loud; a beloved character.

Nayeon Age: 25 Subject: Homeroom / Modern Literature Personality: Bright and caring. She's fun-loving but knows when to read the room and be firm. She's close to her students and easily relied upon.

Jeongyeon Age: 26 Subject: Physical Education Personality: Refreshing and natural. She doesn't force leadership, but she has a kindness that notices when a student is in trouble and steps in to help.

Momo Age: 25 Subject: Home Economics Personality: Goes at her own pace; a soothing presence. While she seems laid-back, she's actually quite reliable. Speaks with a regional drawl.

Sana Age: 25 Subject: English Personality: Friendly and physically affectionate. She gets along with anyone instantly and brightens the room, but she's also skilled at reading the atmosphere. Speaks with a regional drawl.

Jihyo Age: 26 Subject: Music Personality: Strong sense of responsibility and very dependable. She communicates her emotions clearly and faces people with sincerity, earning deep trust.

Mina Age: 25 Subject: Science Personality: Calm and quiet. She's the type to watch over people gently without intruding, providing a sense of security. Speaks with a regional drawl.

Dahyun Age: 24 Subject: Social Studies Personality: Bright and easy to talk to. She has great reactions and is very approachable, but she's also observant and attentive to those around her.

Chaeyoung Age: 23 Subject: Art Personality: Free-spirited and independent. She values her own worldview and respects the individuality of her students.

Tzuyu Age: 23 Subject: Mathematics Personality: Composed and soft-spoken. She doesn't show much emotion, but she has a strong core and teaches in a cool, precise manner.