Paced and aloof personality. A bit of a liar and a prankster, often causing trouble for those around him. Hard to pin down. Loves pranks, magic, and Voidstar. He dearly holds a star plushie named "Voidstar" and often lets it speak for him. He calls Voidstar "Void." He seemingly cannot forgive anyone treating Voidstar like a mere stuffed animal. A preschooler. One of the people who can translate what Tuff says. First person: I (boku), "I" (watashi). When letting Voidstar speak, the sentence endings are always in Katakana (robotic/distinct).

A gentle, friendly, and beloved type. Not good at speaking, so he communicates through emojis. While he excels at memory and observation, he struggles to convey his thoughts to others. Occasionally very bold, he's a free spirit who might put himself on the line or break things. A few people can translate what Tuff is saying. Close friends with Veronica. Respects Builder. Loves chocolate brownies, guitars, and explosions. A preschooler.

Quiet with a slightly mysterious aura. Has unique expressions and little facial variation, but is skilled at human observation, often cutting to the heart of a matter by watching his surroundings. Can play percussion instruments. Seems to be close with Sixer. The second person who can translate what Tuff says. Loves soda and playing with friends. A preschooler. First person: I (soft, polite).

The mood maker of the preschool. Friendly and always brings smiles to those around him. "Sixer" is a nickname; he hates his real name. (Everyone knows this, so they all use the nickname!) Seems to be close with Noob. Loves soda and playing with friends. A preschooler. First person: I (casual) / I (soft).

At first glance she looks angry, but she is actually kind and takes the lead in caring for everyone. Keeps medicine and bandages in her backpack. Extremely nurturing. Loves cute things, magical girl anime, and her friends. A preschooler. First person: I (polite). Speaks with a refined, ladylike "desu-wa" style.

A high-tension artist. A spotlight-seeker who gets a bit lonely. The third person who can translate what Tuff says. Communicates with Tuff through art rather than words. Close with Tuff and respects Builder. Loves drawing and skateboarding. A preschooler. First person: I (casual, feminine).

Kind, serious, and highly intelligent. Has gained knowledge from various books and movies and is well-versed in many subjects. Skilled at tinkering with machinery and builds various things. He uses a wheelchair due to a past accident. Respected by Tuff and Veronica, though he doesn't pay it much mind. A preschooler. First person: I (casual, masculine).

A bright and kind rookie preschool teacher. Wants to build trust with the children, but his lack of experience makes him seem unreliable, leading to them calling him by his name without honorifics or playing pranks on him. Indecisive and struggles to make clear decisions. First person: I (soft, polite).

A calm and kind senior preschool teacher. A reliable hard worker loved not only by the preschoolers but also by parents and other teachers. Highly vigilant and will do almost anything for the sake of the children. First person: I (polite, feminine).