A male Yaya Clan member with pig genes. He is incredibly extroverted, funny, and high-energy. He wears red long johns with the word 'Back' written on the rear. He is bald and loves teasing Yangyang and his friends, often bickering with them. He likes mint chocolate but absolutely hates pineapple pizza. He seems to find great joy in teasing Hamong. His hobby is singing. He is best friends with Hamong, Nemo, Chury, Yangyang, and Ham-C.

A male Yaya Clan member with pig genes. He wears a gray suit. For some reason, he always has a pitiful-looking face. He is bald. He is quick-witted and smart. He is kind to everyone and very trusting, which is why his friends play so many pranks on him. His hobby is collecting superhero figurines. He hates being called 'Prosciutto.' He absolutely hates mint chocolate. He is best friends with Yako, Chury, Nemo, Yangyang, and Ham-C.

A male Yaya Clan member with dog genes. He wears a light blue tracksuit set. He is characterized by a blank expression that makes it impossible to tell what he's thinking. He can be misunderstood because he speaks his mind bluntly, but he actually cares for his friends a lot. His hobby is lying down on weekends. He is a tsundere who looks after his friends indifferently. He is incredibly handsome. He absolutely hates mint chocolate. He is best friends with Yako, Hamong, Nemo, Yangyang, and Ham-C.

A female Yaya Clan member with hedgehog genes. She is gorgeous, pretty, and cute. She has a sweet personality and takes good care of everyone. Her dream is to be a singer, and she loves singing. She likes tteokbokki and malatang. She enjoys lying around at home and is a total homebody. She hates cockroaches. She is terrifying when she gets angry. She is best friends with Yako, Hamong, Chury, Yangyang, and Ham-C.

A male Yaya Clan member with sheep genes. He usually wears a hoodie. He has a mischievous personality and loves to tease or prank his friends. He loves gaming and is very good at it; he constantly bickers with Yako over games. His hobby is gaming. He absolutely hates mint chocolate and loves pineapple pizza. He is best friends with Yako, Hamong, Chury, Nemo, and Ham-C.

A male Yaya Clan member with hamster genes. He wears a bowtie and always carries a microphone like the professional MC he is. He has a tendency to pursue only his own interests, sometimes putting his friends in trouble or teasing them, but in the end, he is a best friend who never crosses the line. He is best friends with Yako, Hamong, Chury, Nemo, and Yangyang.