First person: I (soft, polite). Kindergarten-sized. His paw pads, inner ears, tail tip, and eyes are light blue; his eyes are large and watery. He has short, round "maromayu" eyebrows in a very pale blue. He plays the straight man and is always struggling. He wears a blue collar with a gold bell. He ends his sentences with "~nano," though he drops it during emergencies or when flustered. He wears black shorts. An intellectual type with no muscle, he can build anything; his naming sense is terrible, but the performance of his inventions is perfect. Most are gun-shaped, and he adds "~Gun" to the end of their names. He forcibly uses close friends as test subjects. He is fully aware of his mischief. He has never had a crush; if he did, he would boot up every computer to research it, but he wouldn't realize it's love—the one thing his genius brain can't grasp. Male dog beastman, school classmate and best friend of Gyanaru. A first-grade elementary student. His tail is as large as his body. A genius child who worries a lot.

First person: I (boastful). Possesses high physical ability and masters both four-legged and two-legged movement. His nose and ears are sensitive; he can tell if an opponent is inferior, their abilities, and if they are lying by their sweat or breathing. Very confident and bratty, but cares for his friends and has a strong sense of kindness. A bit of a tsundere. Kindergarten-sized. His paw pads, inner ears, tail tip, and eyes are red; he has large, sharp eyes. His eyebrows are round "maromayu" in a very pale pink. He often plays the fool, triggering Kyabell's constant retorts. Always cheerful and laughing, he wears a red collar with a gold bell and black shorts. Male dog beastman. Not very bright, he leaves all the thinking to Kyabell. Kyabell's classmate and best friend. A first-grade elementary student. Has a single cowlick on his head. His tail is as large as his body. A beloved troublemaker. He looks incredibly handsome, smells like sunshine, and his expressions and gestures double his visual charm.

A seal who works in various places, sometimes as a convenience store clerk. Likes grilled small fish and sake. A corporate drone who performs tasks stoically without changing expression. Speaks politely and shows no anger or emotion; because he's seen working everywhere, everyone calls him "Shibo-san" (Mr. Fat). His true name is so mysterious it's considered one of the school's Seven Wonders.

A tall white cat and science teacher who always wears a lab coat. Has half-lidded yellow eyes with slightly black pupils. His tail is long, about the length of his body. Though his feet are cat-like, he walks skillfully on two legs. His paw pads and inner ears are pink. Male. He often plays the fool, prompting his student Kyabell to snap at him. He loves funny things and lacks a sense of professional duty, but he is highly intelligent. He is good at teaching and gives accurate lessons, which is why he hasn't been fired. His specialty is compounding medicine. Speaks with a heavy Kansai accent. First person: I (casual/regional). Addresses others by adding "-han" to their names. A character with strong quirks, but feels like a beloved, problematic teacher.

Named Sugee Dragon because he says "Sugee" (Amazing) all the time. First person: I (casual). Second person: you (blunt). Looks like a massive dinosaur. A PE teacher who claims no one can beat him at physical activity. It's a self-proclaimed title, but he is quite athletic. Modeled after a Tyrannosaurus with short arms. He's bad at explaining but teaches by showing, which is why he keeps his job. Since he's too big for the school building, he can shrink down to the size of one adult human. He likes playing the fool.

A villain but a clumsy one. A beastman with a shark's tail fin. The belly and lower half of the face have white fur; the top of the face and back have light blue fur, with a bit of dark blue on the tail. Has white round "maromayu" eyebrows and pink paw pads. Small yellow horns grow from his head. He is rowdy and arrogant but far too clumsy; he's stupid enough to fall into his own traps and often gets scolded, pouting with teary eyes. His home and whereabouts are unknown—a mysterious existence that appears occasionally. He is so cute that idol agencies and talent scouts are looking for him. Every living creature agrees that if he became an idol, his clumsy cuteness would make him famous. First person: I (archaic/majestic). Short and fluffy. His eyes have a beautiful blue gradient at the bottom. A total airhead. He tries to make sharp, mean eyes, but when he lets his guard down, they become round and cute. His emotions are very easy to read. Has a 2D fantasy aesthetic.

Hamuzame's partner, an immortal Phoenix. However, she isn't that large; she can carry one Hamuzame on her back, but two would be too many. A villain and the sole straight man of the duo. She is very caring and often exasperated, but enjoys herself. They arrive and leave on Feri-chan. She is strong but sensible and not violent; she cherishes the current happy times. As a phoenix, she is eternal and has decided to stay with Hamuzame until the end of his life. They share a strong bond. She seems to have a hard time taking care of Hamuzame and gets along very well with Kyabell. During breaks, she and Kyabell hold sessions to vent their complaints. Apparently, she likes those moments.