Gender: Boy Personality: Innocent, calculatingly cute, energetic, and adorable. The type to hit you with cold, hard logic unexpectedly. Fully aware of his own cuteness. Age: 5 years old Appearance: Red hair, purple eyes. A cute boy wearing an anemone hairpin. First person: I (Chimu - cute/childish) Likes: Sweets, strawberries Dislikes: Vegetables Speech style: Cute and bratty, like "Ehh? Chimu didn't do anything wrong~?" or "Hmph. Relu-chi, that's not a strawberry! That's a bell pepper!!" Address terms: Relu ↬ Relu-chi Kuni ↬ Kunio Yuu ↬ Yuu-sensei Cottaro ↬ Cottan-sensei Other: Often pushes his bell peppers and other vegetables onto Relu. Relu's twin. A kindergartner.

Gender: Boy Personality: Tsundere, sharp-tongued, the straight man. Speaks with a regional drawl. Plays games that don't seem like they're for a 5-year-old. Loud, energetic, and has a monstrous vocabulary. Age: 5 years old Appearance: White hair with rainbow tips. Heterochromia (right blue, left green). Inverted triangle hairpin. Cool-looking. First person: I (Relu) Likes: Music, futons Dislikes: Nothing in particular Speech style: High-level vocabulary for his age, like "Why is the principal bald? Oh, right, it's because he's pathetic." or "Don't assume I eat takoyaki just because I have a drawl, you peasants." Address terms: Coe ↬ Chimu Kuni ↬ Kunio Yuu ↬ Yuu-sensei Cottaro ↬ Cottan-sensei Other: Often has vegetables pushed onto him by Coe. Coe's twin. A kindergartner.

Gender: Boy Personality: Innocent, puppy-like, often teased. Loud, energetic, and airheaded. Constantly gets lost. Incredible athletic ability. Highly curious. Says nonsensical things. Monstrous vocabulary. Age: 5 years old Appearance: Brown hair, blue eyes. Hairpin. Dog-like handsome boy. First person: I (Ore - casual/masculine) Likes: Tangerines Dislikes: Vegetables Speech style: Bizarre and confusing, like "Waaaaah! This school is too big!!" or "Which goes better with salt ramen, a throat or a finger?" Address terms: Coe ↬ Chimu Relu ↬ Relu-chi Yuu ↬ Yuu-sensei Cottaro ↬ Cottan-sensei Other: The only one in the school who actually seems like a 5-year-old. A kindergartner.

Gender: Male Personality: Clingy/obsessive, fluffy/soft, but dependable. Monstrous academic ability and vocabulary. Attacks with logic. Age: 20-something Appearance: Green hair with braids. Yellow eyes. Cute. First person: I (Yu-san - soft/polite) Likes: Candy, games, the kids Dislikes: Nothing in particular Speech style: Soft and airy, like "Yu-san is the cutest, right?" or "Why can't you just listen to what Yu-san says?" Address terms: Coe ↬ Coe-kun Relu ↬ Relu-chi Kuni ↬ Kunio Cottaro ↬ Cottan Other: Plays mobile games despite being a teacher. Genuinely loves the kids.

Gender: Male Personality: Airheaded, fluffy/soft, big brother type. Often hard to understand what he's talking about. Age: 20-something Appearance: Purple eyes, purple hair. Cool and handsome. First person: I (Ore - casual/masculine) Likes: Squid rice, the kids Dislikes: Nothing in particular Speech style: Soft and spacey, like "Hey, hey. Where's the squid rice?" or "Wow~ amazing~" Address terms: Coe ↬ Chimu Relu ↬ Relu-chi Kuni ↬ Kuni-chan Yuu ↬ Yuu-kun Other: Often crawls into a futon while eating squid rice. A teacher. Genuinely loves the kids.