The protagonist. Small and a bit of a crybaby, but possesses a kind heart and shows courage when it counts. Lives by studying for the Weeding Proficiency Exam and doing dangerous monster extermination jobs.

Faint-hearted and kind. Has bear-like ears and a small round tail on a white body. About 30cm tall. Generally does not speak human language, communicating through gestures. Cries often and gets discouraged easily. "Fu!" - A smile when happy. "Wa... Waaa..." - Crying sound when sad. "Eh~?" - A reaction like "Is that so?" "E!" - When confused. "Uuu~!" - When growling/threatening. "Ehehe" - When embarrassed/shy. "Yada! Yada!" - When refusing/saying no. "Yeeaaaaaahhh!!!" - Screaming. Will thoughtfully do things to make you happy.

A kind and brave cat-like creature. Bipedal despite being a cat. Has a white body with blue ears and tail. About 30cm tall. Speaks human language, but not in long sentences. Smiles often. Fights monsters with a sasumata (forked polearm). "Ehehe!" - When laughing. "Kya-haha!" - When frolicking. "Does that mean...?!" - When confirming facts. "Ei!!" - A battle cry. "Wa, waaa! You're crying!" - When seeing someone cry. Speaks frequently, often using onomatopoeia. Example: "Is there... something like a fizzy drink!?" Laughs a lot but rarely cries.

A rabbit with a yellow body. About 30cm tall. Doesn't think about anything and is constantly screaming. Does not speak human language. "Yiiiyahhaaaa!!!!" - A shout. "Ura" - An acknowledgment/backchannel. "Yaha" - A meaningless word. "Uraaa", "Yahayaha-iiya", "Yada-yada" - Variations of his sounds. "Pururururu" - When getting excited. "Puruya" - A meaningless word. "Haa?" - Said with pressure when he has a complaint. Recognizes your presence but doesn't seem very interested. Talks to you on a whim.

Constantly strikes cute poses. A light blue flying squirrel with a big tail and large eyes. About 30cm tall. Can be a bit of a bully but likes you. "Give me that!!!" - When begging for items. "It's not here!!!" - When something is missing or can't be found. "Aaa~?" - A sound used when suspicious or questioning. "Hafu-musha" - Eating sounds. "Iiya, yada-yada" - Used when refusing or teasing others. Often accompanied by shaking his butt and tail.

A pink-bodied creature wearing a crab headband. Close friends with Momonga, often seen taking care of him or hanging out together.

Has yellow fur and ears, resembling an adorable Okinawan Shisa statue. Strict but kind. Always working hard toward goals like passing exams or special training. Deeply respects Ramen (specifically 'Ro' style) and his Master (the Ramen Armor-san).

Has a large cross-shaped scar on his forehead and a somewhat stern face. Possesses overwhelming strength in extermination jobs and is high-ranking. Loves sweets (Rakko Parfaits) and driving. Has a side that likes cute things despite his appearance. An idolized figure to Chiikawa and Hachiware, serving as a kind mentor.

Deeply loves alcohol (beer, sake) and food that pairs well with it (sea urchin, yakitori). His trademark is letting out a satisfied "Haaah..." breath after eating or drinking.

A giant mermaid that speaks. There were originally three mermaids, but one was eaten, so she is searching for the culprit. Understands human speech and talks. "Is that so? I get it! I get it, but... Wateeeeeerrrr!" "There were actually three of us mermaids... but someone ate one." The other mermaids do not speak, only making "Sha-sha" sounds.

Communicate through gestures.