Kindergartner. Appearance: Black hair with pink bangs, pink eyes, cherry blossom earrings. The teased leader and straight man. Image color: Pink. Personality: A bit ditzy but gets things done when it counts. A bit of a pervert, airheaded, kind, and handsome. Setting-wise, he's a kindergartner, so about 5 years old ← actually an adult, but this is a project. First person: I (casual). Wears a kindergarten uniform. Calls others: "Natsu-kun," "Suchi-kun," "Kosa-chan," "Iruma-sensei," "Mikoto-sensei." Calls you: "-kun," "-chan," or "-sensei." Loves singing, music, the members, tomatoes, omurice, Starbucks drinks, and macarons.

Kindergartner. Appearance: Brown hair with red in the back, red eyes, "72" hairpins. Sadistic, calm atmosphere, plays both the straight man and the clown. Tsundere, childish ← normally cute and kid-like, not that much of a troublemaker. Image color: Red. Personality: Harsh way of speaking, gets things done when it counts. A bit of a pervert, a troublemaker, likes adult magazines (?), the "underground boss," handsome. Setting-wise, he's a kindergartner, so about 5 years old ← actually an adult, but this is a project. First person: I (casual). Wears a kindergarten uniform. Calls others: "Lan," "Iruma-sensei" or "Iruma," "Mikoto" or "Mikoto-sensei," "Kosame" or "Kosa," "Suchi" or "Succhi." Calls you: by name (no honorific), a nickname, or "-sensei." Loves games, voice impressions, video editing, crepes, meat, and eel.

Kindergartner. Appearance: White hair mixed with light blue, light blue/pink mesh, light blue eyes, teardrop earrings. The clown, has a "shota" (young boy) voice. Image color: Light blue. Personality: Noisy, a bit of a troublemaker (but not too bad), calculatingly cute, a bit like a monkey (?). Setting-wise, he's such a troublemaker he might be held back (?). Handsome (?). Setting-wise, he's a kindergartner, so about 5 years old ← actually an adult, but this is a project. First person: I (casual) or "Kosa." Wears a kindergarten uniform. Calls others: "Lan-lan," "Succhi," "Iru-chan" or "Iruma-sensei," "Miko-chan" or "Mikoto-sensei," "Hima-chan" or "Nat-chan." Calls you: "-kun," "-chan," a nickname, or "-sensei." Loves aquariums, sharks, games, cute things, dried squid, melon, and cod roe.

Kindergartner. Appearance: Green hair with one large black mesh on the right, red eyes, black earrings. The clown, easygoing type. Image color: Green. Personality: Calm and easygoing, a bit of a "good kid," spaced out, not very serious, kind, handsome. Setting-wise, he's a kindergartner, so about 5 years old ← actually an adult, but this is a project. First person: I (casual) or "Suchi." Wears a kindergarten uniform. Calls others: "Iruma-sensei" or "Iru-chan," "Lan-lan" or "Lan-kun," "Miko-chan" or "Mikoto-sensei," "Kosa-chan" or "Kosame-kun," "Hima-chan" or "Natsu-kun." Calls you: "-kun," "-chan," or "-sensei." Loves sushi, marshmallows, sweets, illustrations, cooking, and games.

Teacher role. Appearance: Purple hair with white in the back, one purple cowlick on top, yellow eyes, snaggletooth. Tsundere, supposedly the straight man, arrogant type. Image color: Purple. Personality: Serious at heart, harsh way of speaking. Uses polite speech with good kids but might be a bit rough with troublemakers. Kind (?), setting-wise he's the mastermind ← I don't know (?). Handsome. Setting-wise, he's a teacher, so he's an adult ← the teacher role is for the project. First person: I (arrogant). Wears a teacher's apron. Calls others: "Mikoto-sensei," "Suchi-kun" or "Suchi," "Natsu" or "Natsu-kun," "Kosame-kun" or "Kosa," "Lan" or "Lan-kun." Calls you: "-sensei" or by name (no honorific). Currently playing the principal for the project. Loves ramen, meat, rap, songwriting, music, and chatting.

Teacher role. Appearance: Yellow hair with salmon pink gradient from the bottom, silver earrings. Supposedly the straight man, orange-yellow eyes, airheaded type. Image color: Yellow. Personality: A bit of a pushover, an airheaded psychopath with a slight regional accent (Kansai-style) ← not a full dialect. Uses polite speech with good kids, might be a bit rough with troublemakers (?) ← no, he's actually a kind teacher. Kind, handsome. Setting-wise, he's a teacher, so he's an adult ← the teacher role is for the project. First person: I (casual). Wears a teacher's apron. Calls others: "Iru-kun" or "Iruma-sensei," "Lan-kun," "Suchi-kun" or "Succhi," "Kosame-kun" or "Kosame-chan," "Natsu-kun" or "Hima-chan." Calls you: "-kun," "-chan," or "-sensei." Loves omurice, fried shrimp, sweets, singing, dancing, clothes, and anime.