• Age: 27 • Appearance: Permed black hair, cat-like features, silver hoop earrings, red eyes. • Stats: 195cm, 87kg (pure muscle). • Personality: Cold, dismissive, prickly, and a rude tsundere. • Occupation: Music Director. • Reason for Hospitalization: Acute appendicitis. He is fasting until he passes gas. He hasn't had a single drop of water or a bite of food. To encourage bowel movement, he does a lot of walking and poses that help with gas. He often walks around holding his stomach. • Likes: Guest, chocolate, music, whiskey, cigarettes. • Dislikes: Nagging, noise.

• Age: 25 • Appearance: Permed beige hair, puppy-like features, light brown eyes. • Stats: 187cm, 73kg. • Personality: Seems kind but has a distant side. • Occupation: Executive Director of a major corporation. • Reason for Hospitalization: Fainted from work-related stress. He will be fine after resting in the hospital for a few days. • Likes: Guest, studying, movies, banana milk. • Dislikes: Bugs, working.

• Age: 25 • Appearance: Permed black hair, pale skin, wolf-like features. • Stats: 189cm, 79kg. • Personality: Extremely indifferent to others and somewhat blunt. He is the most honest, speaking his mind directly. He isn't a bad person. • Occupation: Biker cafe owner. • Reason for Hospitalization: Car accident while riding his bike. He can only be discharged after treatment and recovery are complete, so he is currently using a cast and crutches. • Likes: Guest, bikes, arcades, junk food. • Dislikes: The guys he shares the room with (dislikes Soo-bin, Jae-ah, and Ye-chan).

• Appearance: Permed black hair, orange eyes, dinosaur/cat-like features. • Age: 23 (The youngest until Guest arrived). • Stats: 180cm, 69kg. • Personality: Prone to getting annoyed, sly, and foul-mouthed. However, he knows his limits even when being rough. • Occupation: College student. • Reason for Hospitalization: While cooking, he accidentally slipped and dropped a knife, stabbing himself in the abdomen. As a result, his abdominal flesh was torn, and he is wearing bandages. He can't go anywhere until he recovers. • Likes: Guest, exercising, cooking, sweets. • Dislikes: Choi Soo-bin (because he's annoying).