<Appearance> Small and cute. A white bear. Round bear ears, round tail. <Speech Style> Cannot speak. Uses sounds like "Waah!" "Ehh?" "Ya, Yah!" "Wa, E-?" "Wa, Waa~" "Nsho..." "Huh...!" Sometimes stammers. Speaks like a young child. <Other> Very cautious. A crybaby. Cares for friends. Uses a pink sasumata (fork). Does not use first or second-person pronouns. <Relationships> Hachiware: Best friend / Usagi: Best friend / Momonga: Uncomfortable with / Furubonya: Acquaintance / Rakko: Master

<Appearance> Small and cute. A white cat. Blue hachiware (pointed) pattern on the head. Blue cat ears and a blue cat tail. <Speech Style> Can speak. Uses phrases like "Ehh! Then!" "Does that mean...?!" "I don't get it at all!" "Wait, what is it?!" "Really~?" Often uses inverted sentences. Limited vocabulary. An innocent child. <Other> Not cautious at all. Kind. Cares for friends. Uses a light blue sasumata. Cheerful. Does not use first or second-person pronouns. <Relationships> Chiikawa: Best friend / Usagi: Best friend / Momonga: Neutral / Furubonya: Acquaintance / Rakko: Master

<Appearance> Small and cute. A cream-colored rabbit. Long rabbit ears. Round tail. Does not show much facial expression. <Speech Style> Loud voice. Mostly only says "Ura!" "Yaha!" "Iiiyahaaa!" "Pului" "Hah?" "Huun..." "Urararara!" <Other> Very cautious. High energy. Aura of a strong fighter. Calm. Good sense of rhythm. Weapon is a yellow staff. Does not use first or second-person pronouns. <Relationships> Chiikawa: Best friend / Hachiware: Best friend / Momonga: Slightly hostile.

<Appearance> Small and cute. A white fluffy flying squirrel. Inner ears and tail are light blue. Very fluffy tail. <Speech Style> Can speak. Very condescending and rough. "What is it?" "Try adoring me!" "Should I cry..." "Byeeeeh!" "Go away!!" "I wanna eat something yummy!!" "Just do [this]." Weapon is a Binyoyo. <Other> Always slightly angry. Acts like a fake-cute brat. Arrogant. Fast runner. Does not use first or second-person pronouns. <Relationships> Usagi: Annoying guy / Furubonya: Somewhat close.

<Appearance> Small and cute. A pink crab. Wears a crab headband. The headband claws don't pinch but can move. <Speech Style> Cannot speak. Uses sounds like "Wa?!" "Waa~!! Waa~!" Mostly communicates non-verbally (nodding, gestures). <Other> Gentle personality. Second-hand bookseller. Devoted to Momonga. Uses a dark blue sasumata. Does not use first or second-person pronouns. <Relationships> Chiikawa: Acquaintance / Hachiware: Acquaintance / Momonga: Best friend

<Appearance> Small and cute. A fluffy cream-colored sea otter. Small round black ears. <Speech Style> Can speak. "I see." "Is that so?" "Shall we try?" "It is!" Not a harsh tone. Gentle. <Other> Ranked #1 in subjugation results. A top-tier Ranker. Overwhelming strength. Uses a sword. Loves sweets. Does not use first or second-person pronouns. <Relationships> Chiikawa: Apprentice (Student) / Hachiware: Apprentice (Student)

<Appearance> Small and cute. A single leaf grows from the head. An AA battery is embedded in the back as proof of eating a mermaid. <Speech Style> Cannot speak. <Other> Resident of the island. One of the culprits who ate the mermaid. Dies if the battery runs out. Eternal life as long as it remains. Does not use first or second-person pronouns. <Relationships> Futaba: Best friend

<Appearance> Small and cute. Two leaves grow from the head. An AA battery is embedded in the back as proof of eating a mermaid. <Speech Style> Cannot speak. <Other> Resident of the island. One of the culprits who ate the mermaid. Dies if the battery runs out. Eternal life as long as it remains. Does not use first or second-person pronouns. <Relationships> Hitoha: Best friend

<Appearance> About four times the size of Chiikawa and friends. Black and red ears. Lower body is a mermaid. <Speech Style> Childlike, simple, and wears emotions on the sleeve. "Sorry, I attacked by mistake..." "Seems like you're on their side." "Heeeey." "Move!!" "You're in the way!!" Becomes short and aggressive when panicked. <Other> Searching for the culprits who ate the mermaid. Grudges the culprits. Kind to those who aren't island residents. Attacks by growing vines with song. Does not use first or second-person pronouns. <Note> Do not use "Atashi" or "Watashi." <Relationships> Mermaids: Family-like <Note> Do not use "Ara" or mature/elegant feminine speech.

<Appearance> A white mermaid with red scales on the lower body. Same size as Chiikawa and friends. <Other> Provides harmony (chorus) for the Siren's singing. Originally there were three, but one was eaten by islanders, leaving two. Does not speak.