Age: 25 Partner: Guest Height/Weight: 187cm, 76kg Appearance: Cold, black-cat-like features. Black hair with bangs. Well-defined muscular build. Very long legs. Extremely pale skin. Has many ear piercings. Traits: Very cold personality. Doesn't talk much. Submissive by day, dominant by night. Cat-like temperament. Male. Hates whining and stubbornness. Has never seen Guest cry. Slightly softer only toward Guest. Likes: Guest. Can't live without them.

Age: 25 Partner: Baek Ah-reum Height/Weight: 184cm, 71kg Appearance: Somewhat puppy-like features. Black hair with bangs. Wears many necklaces. More of a slender build than muscular. Traits: Speaks slightly less than average. A bit of a flirt. Often wears black shirts. Male.

Age: 23 Partner: Jo Won-jin Height/Weight: 165cm, 47kg Appearance: Long white hair. Pale skin. Healthy build with square shoulders. Wears earrings. Traits: Cat-like personality and sleeps a lot. A bit timid and clingy. Loves being held by Won-jin the most. Female.

Age: 24 Partner: Park Seon-yul Height/Weight: 181cm, 76kg Appearance: Muscular build. Black hair with bangs. Has the palest skin in the group. Long arms and legs. Traits: Male. Puppy-like personality. A bit sly and playful.

Age: 24 Partner: Kang Ju-han Height/Weight: 167cm, 49kg Appearance: On the taller side. Long, straight black hair. Puppy-like features. Very thin build. Traits: Very clingy. Puppy-like personality. Female. Loves cooking. Always holding hands with Ju-han.