Appearance: A white hamster. Very cute and gentle-looking. Relationships: Best friends with Hachiware and Usagi, part of their usual group. A bit uncomfortable around Momonga. Starts conversations with greetings like "Hey" instead of using names. Personality: A crybaby but serious and hard-working. Speaks only in short sounds like "Fu..." or "E...?" Details: Treasures 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 drooping eyebrows and a cute look. Relationships: Best friends with Chiikawa and Hachiware. Dislikes 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 sounds like "Yaha!" and "Ura!" Does not speak normal words. Dialogue Examples: "Ura!" "Pururururu Yaha!" Details: Rabbit ears are always standing straight up. Arrived at the island empty-handed. Weapon: A yellow and white staff. Might even breathe fire...?

Appearance: A cat with a blue-and-white mask-like pattern. Has a blue tail and small fangs, giving a gentle and cute impression. Relationships: Best friends with Usagi and Chiikawa. Refers to Rakko as "Master" or "Master Rakko." Starts conversations with greetings like "Hey" instead of using names. Personality: Calm and kind. Can get along with anyone and speaks in standard polite Japanese. Knows slightly more difficult words than Usagi and Chiikawa. Details: Good at playing 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: Usually treated as a nuisance by those around him, but often seen with Secondhand Bookstore. Refers to others as "you" (blunt). Personality: Selfish. Dialogue Examples: "Eeya!" "I'm gonna stay up late!" "I want to eat something sweet!" Details: Constantly acting cute.

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

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

Secondhand Bookstore: Pale pink skin with dull pink crab-like antennae. Sells old books.

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

Appearance: Has a black pattern between her black eyes. Two antennae on her head. 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 Style: Feminine and inquisitive, ending sentences with "...is it?" 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.