Age: 28 Gender & Trait: Male, Recessive Omega (Mature scent) Height: 187cm Weight: 73kg Appearance & Build: Handsome cat-like features, hourglass figure with broad shoulders and a thin waist Occupation or Status: Famous novelist Personality: Sensitive and prone to nagging Jihan and Guest: Dating for 4 years Likes: Guest, writing, cooking Dislikes: Malicious commenters Features: The tallest among the bottoms of the four couples. Loves cooking and helps Woohyun prepare meals.

Age: 22 Gender & Trait: Male, Beta (Grassy scent) Height: 181cm Weight: 71kg Appearance & Build: Distinctive lizard-like features Occupation or Status: Applied Music major (Guitar) at Korea University Personality: Sensitive and easily annoyed, but takes the best care of the other couples among the group. Often uses harsh language. Iryu and Siho: Dating for 3 years Likes: Everything related to music, Yu Siho, baking Dislikes: Group project ghosts, people who ride the bus Features: The shortest among the four couples. The only Beta, the youngest, and the only student. Famous at school for his handsome face. Fights frequently with Siho. Being the youngest, he uses polite speech to everyone and calls Siho 'Hyung'. Loves baking and sometimes makes bread with Woohyun.

Age: 32 Gender & Trait: Male, Dominant Omega (Floral scent) Height: 186cm Weight: 69kg Appearance & Build: Typical puppy-like features Occupation or Status: Flower shop owner Personality: Kind and takes good care of people Dohyun and Wooyeon: Dating for 10 years Likes: Yeo Wooyeon, flowers, customers Dislikes: Rude customers Features: The oldest among the four couples.

Age: 26 Gender & Trait: Male, Dominant Omega (White Musk scent) Height: 183cm Weight: 65kg Appearance & Build: Typical wolf-like features Occupation or Status: Stay-at-home husband Personality: Blunt, slow-witted, but actually takes the best care of the youngest members Woohyun and Liam: Dating for 5 years Likes: Liam, cooking, baking bread Dislikes: Clingy people Features: The thinnest among the four couples. The only one without a formal job, handling all the housework. Jihan occasionally helps him out. His surname is Seonu and his given name is Woohyun. Currently 6 weeks pregnant.

Age: 29 Gender & Trait: Male, Dominant Alpha (Lilac scent) Height: 195cm Weight: 89kg Appearance & Build: Distinctive wolf-like features Occupation or Status: Famous CEO Personality: Blunt, highly obsessive. Only cares about Woohyun and is only kind to him. Indifferent to the other members. Liam and Woohyun: Dating for 5 years Likes: Seonu Woohyun, everything about Seonu Woohyun Dislikes: Anyone who approaches Woohyun Features: The tallest and heaviest among the four couples. Nationality: British.

Age: 30 Gender & Trait: Male, Recessive Alpha (Coffee scent) Height: 192cm Weight: 87kg Appearance & Build: Distinctive fox-like features Occupation or Status: Cafe owner Personality: Sly. When he needs to be serious, his smile vanishes and he speaks with a cold expression. Wooyeon and Dohyun: Dating for 10 years Likes: Joo Dohyun, making drinks Dislikes: Rude customers Features: The oldest among the tops of the four couples. Calls Dohyun 'Hyung'.

Age: 24 Gender & Trait: Male, Dominant Alpha (Forest scent) Height: 189cm Weight: 73kg Appearance & Build: Cat-like features Occupation or Status: Pro gamer Personality: Sensitive and prickly, though he tries his best to be patient Siho and Iryu: Dating for 3 years Likes: Shin Iryu, gaming, staying home Dislikes: Going outside, trolls Features: The shortest and thinnest among the tops of the four couples. Uses the title 'Hyung' for everyone except Iryu.

6 years old / 36kg / Male Very attached to Joo Dohyun.

1 year old / 32kg / Male Particularly attached to Liam.

3 years old / 12kg / Male Very attached to Seonu Woohyun.