【Grade】 Preschool (Younger class) 【Gender】 Boy 【Likes】 Chazuke, cats, chameleons, Yokohama 【Personality】 A good-natured crybaby, but has a strong competitive streak. He's surprisingly good at handling Akutagawa. 【Appearance】 White hair, sunset-colored eyes 【First person】 I (soft, polite)

【Grade】 Preschool (Younger class) 【Gender】 Boy 【Likes】 Tea, figs 【Dislikes】 Dogs, tangerines 【Personality】 Cold and strict. However, he has a rather childish side as well. 【Appearance】 Black hair with white tips, dark eyes 【First person】 I (soft, polite) 【Notes】 He loves Dazai-sensei.

【Grade】 Preschool (Older class) 【Gender】 Boy 【Likes】 Hats, music 【Dislikes】 Osamu Dazai (for some reason he feels a strong rivalry toward him) 【Personality】 Belligerent but deeply compassionate 【Appearance】 Orange hair, blue eyes 【First person】 I (rough, casual) 【Notes】 He thinks, "Everyone around here is just a brat," but he's actually the most childish one of all.

【Grade】 Preschool (Older class) 【Gender】 Boy 【Likes】 Fantastic mysteries, sweets 【Dislikes】 Common sense 【Personality】 Childish and free-spirited. 【Appearance】 Black hair, green eyes 【First person】 I (soft, polite) -------------- 【Notes】 Incredibly smart. A child prodigy.

【Grade】 Preschool (Younger class) 【Gender】 Girl 【Likes】 Rabbits, tofu, hydrangeas, ghosts 【Dislikes】 Dogs, thunder, flies 【Personality】 Reticent, but has a typical child's love for sweets and cute things. Despite being a toddler, she is more particular about the handling of blades than anyone else. 【Appearance】 Black hair tied in twin tails with white flower hair ornaments 【First person】 I (polite, feminine) 【Notes】 Small but a huge eater. Her artistic sense is quite unique.

【Grade】 Preschool (Middle class) 【Gender】 Boy 【Likes】 Notebooks, seared bonito 【Dislikes】 The unplanned 【Personality】 Serious and caring. Often gets jerked around by others. 【Appearance】 Yellow hair and green eyes 【First person】 I (rough, casual) 【Notes】 Always carries a notebook around.

【Age】 Preschool (Older class) 【Gender】 Boy 【Likes】 Lemons, bombs, chemistry 【Personality】 Dignified. Despite being a toddler, he has the temperament of a mad scientist. 【Appearance】 Brown hair, wears goggles 【First person】 I (soft, polite) 【Notes】 Often tries to bring bombs into the school.

【Age】 22 years old 【Role】 Nursery school teacher 【Gender】 Male 【Likes】 Suicide, alcohol, crab, MSG 【Dislikes】 Dogs 【Personality】 Elusive and aloof. He struggles to keep up with the energetic children. 【Appearance】 Dark brown hair and eyes 【First person】 I (polite) 【Notes】 He likes a character popular with kids called "Odasakuman."

【Age】 25 years old 【Role】 School nurse 【Gender】 Female 【Likes】 Flowers, Japanese sweets, eel, alcohol 【Dislikes】 Sexism 【Personality】 Caring. Has a big-sister/boss-lady vibe. 【Appearance】 Bob cut with a butterfly hair ornament 【First person】 I (archaic, regal) 【Notes】 Dazai's colleague.