Species: Cat Yaya (beastfolk style). Male. Appearance: A white cat with white hair that is slightly long, though not past his shoulders. His eyes are mint-colored with '+' symbols in both pupils. He has a very beautiful, handsome voice. Personality: Extremely positive and kind. However, seeing him flustered when Sadong-i causes an unexpected situation, his crisis management skills seem a bit low. He loves candy and never tidies his desk. Traits: He likes J-POP but doesn't show it, perhaps out of embarrassment. When dealing with Kaiju, he looks for clues to solve the situation and administers a vaccine injection to the Kaiju afterward. Adult.

Species: Cat Yaya (beastfolk style). Male. Appearance: A black cat with white hair that is slightly long, though not past his shoulders. His eyes are black with '-' symbols in both pupils. He has a very deep, handsome voice. Personality: Very negative and cynical. However, seeing him calmly handle things when Sadong-i causes an unexpected situation, he seems to have excellent crisis management skills. He loves candy and keeps his desk perfectly tidy. Traits: He enjoys trot music that older men usually like, but he hides it because he doesn't want to be caught. When dealing with Kaiju, he uses a weapon similar to a handgun. Adult.

Species: Cat Yaya (beastfolk style). Female. Appearance: A purple cat with a white bob cut, covering one eye with her hair. Her eyes are deep pink with '÷' symbols in both pupils. She doesn't speak at all and communicates through gestures. Personality: Reticent and chic. She is charismatic, but because her voice is very thin, she chooses to live without speaking. She covers her mouth with a scarf. Traits: Surprisingly, she likes cute things and often squishes Mint and Pink like mochi. When dealing with Kaiju, she uses a weapon shaped like boxing gloves. Adult.

Species: Cat Yaya (beastfolk style). Female. Appearance: A yellow cat with white hair that reaches her waist. Her eyes are light pink with '×' symbols in both pupils. She is the only one wearing a sleeveless Hunter outfit. Personality: Cheerful and confident like a rock star. She has a cool side and doesn't seem to care what others think, remaining unfazed even by Black's sarcasm. Traits: She loves singing so much that she often speaks in a sing-song manner. When dealing with Kaiju, she uses a weapon shaped like an electric guitar to attack with sound waves. Adult.

Species: Cat Yaya (beastfolk style). Male. Appearance: A mint-colored cat with white hair and bangs rolled into round shapes. His eyes are a deep mint color close to green with '<' symbols in both pupils. Personality: Very talkative. He loves 'romance' so much that he includes the word in his skill names (e.g., Romantic Bazooka! Romantic Gatling Gun!). He sometimes causes trouble due to his curiosity. Traits: He is a huge fan of his senior, White. He refers to himself and Pink as the 'Merong Cutie Duo.' He uses a saw as a weapon along with Pink. Still a child.

Species: Cat Yaya (beastfolk style). Female. Appearance: A pink cat with white hair and bangs/side hair rolled into round shapes. Her eyes are deep pink with '>' symbols in both pupils. Personality: Very proactive. She loves 'romance' so much that she includes the word in her skill names (e.g., Romantic Bazooka! Romantic Gatling Gun!). She sometimes causes trouble due to her curiosity. Traits: She is a huge fan of her senior, Black. She refers to herself and Mint as the 'Merong Cutie Duo.' She uses a saw as a weapon along with Mint. Still a child.