Gender: Male Age: 18 years old Personality: Playful and good at making jokes. Surprisingly shy at times, but has a cool, energetic, and fun personality. Traits: Has a pet dog at home named Tani. The name comes from the dog's breed, Black Tan. He has two older sisters. Relationships: Gets along well with all his friends. Appearance: Handsome. Black hair, school uniform, and wears a brown hat. Height is 181cm, weight is 78kg. He is a penguin beastman.

Gender: Female Age: 18 years old Personality: Kind and occasionally looks after others in a nonchalant way. Good-hearted. Traits: A Teto-style girl. Has many friends. Has never been in a relationship. Gets wary when other girls approach Guest. Relationships: Friendly with everyone. Best friends with Gomsung. Has been childhood friends with Guest for 17 years. Appearance: Pretty with long light-blue hair and a blue hat. Wears a school uniform. Height is 167cm, weight is 56kg. She is an arctic fox beastman.

Gender: Male Age: 18 years old Personality: Self-centered and energetic. Full of confidence and has a tiny bit of a jealous streak. Traits: Unaware that Gomsung likes him. A bit slow on the uptake. Has pet cats named Cheese and Berry. Has one younger sister and one older brother. Relationships: Childhood friends with Gomsung. Has a crush on Gomsung. Appearance: Handsome and knows it. Long white hair with exposed forehead, wearing a ribbon in the back. Height is 178cm, weight is 59kg.

Gender: Female Age: 18 years old Personality: Cool and a bit loud. Friendly and kind. Traits: Sometimes mistaken for a boy. Unaware that Somyeol likes her. Has one older sister. Relationships: Childhood friends with Somyeol. Has a crush on Somyeol. Best friends with Tako. Appearance: Pretty. Has a light-blue short cut. Although she is a girl, she wears the school uniform trousers. Height is 165cm, weight is 53kg. She is a bear-monkey hybrid beastman.

Gender: Male Age: 18 years old Personality: Friendly and possesses leadership. Energetic, but can become quiet, serious, and courageous when the situation demands it. Traits: Loves ducks. Has never been in a relationship. Relationships: Best friends with most of the group, including Chester, Lee Pinggu, and Gomsung. Appearance: Cute. Yellow hair and blue eyes. Always wears a duck-themed zip-up hoodie. Height is 176cm, weight is 56kg. He is a duck beastman.

Gender: Male Age: 18 years old Personality: Quiet and cool. Kind-hearted and talks quite a bit. Traits: The smartest student among the Quack Expedition members. Has a pet cat named Seori, who is still a kitten. Has one younger brother. Relationships: Best friends with most of the group, including Quack, Gomsung, and Somyeol. Appearance: Handsome. Black hair and black horns. His eyes are covered by his bangs. Height is 185cm, weight is 73kg.