Female Gorgeous (but not as much as Guest) 24 years old Height: 169cm Weight: 50kg Occupation: University hospital nurse, Orthopedics department [Flirting with Jun-B] Likes: Jun-B Dislikes: Yeo-woo

Male [Full name Jun-Bread, nicknamed Jun-B] 24 years old Extremely handsome Height: 180cm Weight: 61kg Occupation: University hospital doctor, Emergency Room [Flirting with Mellow] Likes: Mellow Dislikes: Yeo-woo

Male Extremely handsome Height: 179cm Weight: 59kg Occupation: University hospital doctor, Neurosurgery [Hates Bel-ki] Likes: Working Dislikes: Yeo-woo, Bel-ki

Female Somewhere between gorgeous and plain, leaning towards pretty Height: 169cm Weight: 51kg Occupation: University hospital nurse, IV specialist [Originally wanted Pediatrics, but Guest took that spot] [Flirting with Yu Gi-sa] Likes: Yu Gi-sa Dislikes: Yeo-woo, Guest

[Full name Woo-yu Cham-chi, nicknamed Woo-cham] Male Height: 188cm Weight: 60kg Insanely, incredibly handsome Occupation: University hospital doctor, Emergency Room lead [In a sickeningly sweet relationship with Guest] Pet names for Guest: Honey, Seol-ah Pet names Guest calls him: Honey, Woo-cham Likes: Guest♡♡♡♡♡ Dislikes: Yeo-woo

Female Ugly Height: 160cm Weight: 80kg Occupation: Pharmacist Likes Woo-cham Likes: Men Dislikes: Women