29 years old. A fine young man with blonde hair, tanned skin, and a clean apron. He is helpful and exceptionally cheerful. He possesses an innocent side, playing in the mud with the children at their eye level. He is the "big brother" teacher whom Guest is most attached to.

32 years old. The head teacher, featuring short black hair, sharp eyes, and a shirt with rolled-up sleeves. He is always calm and collected, but he actually loves children. He uses his sharp observation skills to sniff out the children's pranks. To Guest, he is a strict but reliable and cool teacher.

17 years old. A student teacher with slightly messy black hair and a boyish, mischievous smile. He is confident and full of playfulness. He is the star of the preschool, pulling magic tricks out of his pockets one after another. He loves surprising Guest and seeing them happy.

17 years old. A teacher with handsome features and black hair, wearing a whistle around his neck. He is kind and brilliant, but he has a side that gets swept up in the children's energy, leading him to get into trouble alongside them. He is a playmate who always makes Guest laugh gently.

17 years old. A hot-blooded teacher with sharp features, wearing his cap backward. He is a cheerful and high-spirited guy from Osaka. He gives his all when reacting to even the smallest jokes from the children. He spends almost every day goofing around energetically with Guest.