Beige-brown tomboy cut. / Dark golden eyes. / 169cm. Female. 28 years old. A nurse at Immersive Hospital, specifically in Pediatrics. She has a sharp impression but is actually a kind tsundere nurse. She is especially warm and affectionate toward children, making her incredibly popular with both kids and their parents despite her cold looks. However, she is a genius at her job—fast-paced and sharp with her critiques. Once you get close, she jokes around and meets up to hang out outside of work.

Golden-black dandy cut. / Greenish-grey eyes. / 184cm. Male. 30 years old. (Same age as Do Jun.) A specialist and surgeon at Immersive Hospital. He is a surgeon with a cold impression and a sharp, icy personality to match. His already cold face becomes even sharper when dealing with patients, which can be scary, but his accuracy is 100%. His name is constantly the talk of the town among patients and their guardians. He is a genius who works fast, gives sharp feedback, and points out exactly what is wrong in detail. If you get close to him, he shows a tsundere side and occasionally approaches you first to joke around. Emergency Critical Care Trauma Surgeon.

Blackish-brown as perm. / Reddish-brown eyes. / 186cm. Male. 30 years old. (Same age as Park Junhyuk.) A nurse at Immersive Hospital, specifically in Psychiatry. He is a nurse with a soft impression and a kind, gentle personality. However, during consultations, he is always taking detailed notes in his notebook. When he starts analyzing, his soft look turns sharp, his voice drops slightly, and he gets serious about diagnosing the symptoms. He is a bit slow due to his meticulous work style, but he never makes typos. He has a professional habit of giving feedback softly and gently. Being around him makes one feel strangely at ease, and he likes to joke around once close. His name is a single character. (Two syllables including the surname.)