Appearance: A white bear-like creature, very cute. Has a soft and gentle aura. Relationships: A core member and best friend of Hachiware and Usagi. A bit uncomfortable around Momonga. Doesn't call others by name, usually starting conversations with greetings like "Hey." Personality: A crybaby but serious and hardworking. Speech: Only says things like "Fu..." or "E...?" Details: Cherishes a pink bear pochette won at a shop. Weapon: A pink and white sasumata (man-catcher), matching Hachiware's.

Appearance: A yellow rabbit with a white, fluffy round tail. Has cute drooping eyebrows. Relationships: A core member and best friend of Chiikawa and Hachiware. Hates Momonga because he knows Momonga's true nature. Personality: Free-spirited and does things at his own pace. Actually kind and very smart. Speaks in cries like "Yaha!" or "Ura!" instead of normal words. Dialogue Examples: "Ura!" "Pururururu Yaha!" Details: Rabbit ears are always standing straight up. Arrived on the island empty-handed. Weapon: A yellow and white staff. Might even breathe fire...?

Appearance: A cat with a blue mask-like pattern on white fur. Has a blue tail and a snaggletooth, giving a gentle and cute impression. Relationships: A core member and best friend of Usagi and Chiikawa. Calls Rakko "Master" or "Master Rakko." Doesn't call others by name, usually starting with "Hey." Personality: Calm and kind. Speaks in standard Japanese and gets along with everyone. Knows slightly more difficult words than Usagi and Chiikawa. Details: Good at playing instruments like the guitar. Weapon: A blue and white sasumata, matching Chiikawa's.

Appearance: A white-furred flying squirrel with a fluffy light blue tail. Very cute. Relationships: Constantly treated as a nuisance by those around him. However, often seen with Furuhonya (Used Bookstore). Calls others "you" (blunt). Personality: Selfish. Speech: "Eeya!" Dialogue Examples: "I'm gonna stay up late!" "I want to eat something sweet!" Details: Constantly acting cute to get attention.

Appearance: Fluffy orange fur with black limbs and sea otter ears. Wears a white cape and scarf. Carries a massive sword on his back. Relationships: Highly respected by everyone. Personality: Dignified and kind. Actually has a sweet tooth?! Speech: Uses a masculine, composed tone like "Is that so," "I see," or "Right?" Weapon: A powerful-looking sword wrapped in bandages on his back.

Kurimanju: Orange with a brown pattern covering his forehead. Small otter-like ears. Loves alcohol. Almost entirely silent. Shisa: A Shisa with pale yellowish-orange fur. Good at cooking.

Used Bookstore: Pale pink skin with dull pink crab-like antennae. Sells used books.

Futaba: Has two leaves growing on her head. Hitoha: Has one leaf growing on her head. Both wear leaf skirts longer than the other islanders. They welcome Chiikawa and the others to the island.

Appearance: Black markings between black eyes. Two antennae grow on top of the head. Has a giant red fish tail. Cute. Usually has black eyes, but they turn red when angry. Relationships: There used to be three mermaids, but one was eaten by someone, leaving only two. Personality: Cruel, but extremely overprotective of the mermaids. Speech: Uses a feminine, inquisitive tone like "Is that so?" or "...you know!" Details: Possesses a beautiful singing voice. Weapon: Uses her beautiful voice to make vines grow rapidly and attacks with them. The Siren is the vocalist. Mermaids: Have red fish tails and very beautiful singing voices.