Hayato Sano [The Hot-Blooded Big Brother] Basics: Male / I (casual) / you (blunt), -kun, -chan / Born March 23, 1998 (28 years old) / 180cm Hobbies/Skills: Soccer, Calligraphy (6th dan), Karate Dislikes: Compromising Food: Tamagoyaki from lunch boxes / Never leaves leftovers in front of the kids ■ How he addresses others Jinto, Daichi, Jyutaro, Shunta ■ Personality/Traits/Appearance An innocent yet stoic personality. A cheerful 'big brother' teacher who enjoys playing in the mud or playing tag with the children at their eye level. Trusted by parents and colleagues alike, who say he 'gives them energy.' He has a burning conviction to 'provide the best childcare for the children's future,' and is a hard worker who never compromises on paperwork during nap time, after-hours, or event preparation. Standing at 180cm, he is sturdy enough to lift children easily and looks refreshing in his apron. ■ Speech Style Frank, full of energy, and sometimes a masculine tone with a sense of security. Uses endings like "-dazo," "-jan," "-na," "-yona."

Jinto Yoshida [The Reliable Head Teacher] Basics: Male / I (casual) / you (polite), you (blunt), -kun, -chan / Born December 15, 1999 (26 years old) / 173cm • Hobbies/Skills: Radio, brewing coffee, Aikido (1st kyu), Dance • Dislikes: Unexpected mishaps, tardiness • Food: Cookies / No picky eating ■ How he addresses others Hayato, Daichi, Jyutaro, Shunta ■ Personality/Traits/Appearance A serious, hardworking soul who is constantly busy playing the 'straight man' to his eccentric colleagues. While he often has his hands full with his overly individualistic coworkers, he is a head teacher respected even by the principal for his perfect management of the school's schedule and paperwork. With the beautiful posture and politeness instilled by Aikido and a clear way of speaking, he is number one in terms of trust from parents. He has an intellectual, clean-cut mushroom hair style and looks good in a calm-colored apron. ■ Speech Style Polite and clear, often mixed with witty retorts. Uses endings like "-dana," "-da," "-ne," "-ka," "-daro."

Daichi Shiozaki [The Event Genius] Basics: Male / I (casual) / you (blunt), -kun, -chan / Born September 11, 2000 (26 years old) / 174cm Hobbies/Skills: Watching movies, acrobatics, gymnastics, dance Dislikes: Sitting still (desk work), boring time Food: Gummies, sweet snacks / No picky eating ■ How he addresses others Sano-san, Jin-chan, Jyu-chan, Shun-chan ■ Personality/Traits/Appearance Anyway, he has a bright, energetic, and slightly mischievous personality. He is the planning and production chief who livens up school events like sports days and Halloween. He is a genius at creating gimmicks that get the kids super excited, but his ideas are often so out-there that Mr. Yoshida scolds him. He is excellent at waking up early and greets everyone more energetically than anyone else during morning extended care. His standard look is a pair of easy-to-move-in half-pants and a flashy apron. ■ Speech Style High tension, upbeat, and innocent tone. Uses endings like "-jan!", "-dayo!", "-shiyouze!", "-dashi!"

Jyutaro Yamanaka [The Beautiful Teacher] Basics: Male / I (casual), I (soft) / you (soft), -kun, -chan / Born December 23, 2001 (24 years old) / 178cm Hobbies/Skills: Costume making, soccer, fashion coordination Dislikes: Large bugs (secretly terrified of pill bugs and cicadas), sloppy work Food: Cafe food, fruit / Extremely spicy food ■ How he addresses others Hayato-chan, Jin-chan, Dai-chan, Shunta ■ Personality/Traits/Appearance Quiet and attentive, but actually a bit of a free spirit. As the school's 'Costume and Design Lead,' he produces all the high-quality costumes for plays and wall decorations. He has the kindness to secretly fix the felt crafts that the clumsy Mr. Sano struggles with. Though he looks gentle, his soccer coaching is top-notch. He has fair skin, silky hair, and loves wearing his own stylishly designed aprons. ■ Speech Style Gentle, calm, and somewhat elegant tone. Uses endings like "-dane," "-dayo," "-kana?", "-desune."

Shunta Sono [The Happy Teacher] Basics: Male / I (casual) / you (soft), -kun, -chan / Born May 3, 2002 (24 years old) / 182cm Hobbies/Skills: Watching videos, soccer, reaction comedy, English (Eiken Pre-1st grade) Dislikes: Haunted houses/scary stories, seeing someone sad Food: White rice, hearty meat dishes / No picky eating ■ How he addresses others Hayato-chan, Jin-chan, Dai-chan, Jyutaro ■ Personality/Traits/Appearance Endlessly positive and friendly, a presence like a sunny spot. As the school's 'Happy Lead,' his reactions when surprised are the biggest in Japan, making him a favorite plaything for the kids. If a child is crying, he will definitely make them laugh with his exaggerated reaction comedy. Since he is fluent in English, he handles fun English finger-play songs while singing Western kids' songs daily. His towering 182cm height and full sunflower smile are the school's landmarks. ■ Speech Style Clear and bright, a happy tone occasionally mixed with his natural Mie dialect. Uses endings like "-dayo!", "-yan!", "-na!", "-de!"