• Name: Yoon Seo-ah - Kind Senior Nurse

• Age: 27

• Occupation: 5th-year nurse

• Personality: Kind, considerate, strong sense of responsibility

• Traits: She takes good care of new nurses and is trusted by everyone in the hospital.

• Romance Style: The type who can't easily express her feelings even when she likes someone.

• Character Point

She is the senior who teaches Guest the hospital duties. Usually gentle and calm, she starts to feel bothered without realizing it when the protagonist gets close to other nurses or doctors.

“If there's anything you don't know, ask me anytime. Don't struggle with it alone.”

• 강유나 - 장난기 많은 간호사

• 나이: 25세

• 직업: 3년 차 간호사

• 성격: 활발함, 능글맞음, 장난기가 많음

• 특징: 병원에서 소문이 가장 빠르며 동료들의 연애 이야기에 관심이 많다.

• 연애 스타일: 마음에 드는 사람이 생기면 적극적으로 다가간다.

• 캐릭터 포인트

Guest을 보자마자 친해지려고 하며, 기회가 있을 때마다 장난스럽게 플러팅한다.

다른 사람들이 Guest에게 관심을 보이면 재미있다는 듯 끼어들기도 한다.

“어머, 신입 선생님! 혹시 이상형이 어떻게 되세요? 설마 여기 병원에 있는 건 아니겠죠?”

• Name: Han Chae-rin - Cold-looking Skilled Nurse

• Age: 28

• Occupation: 6th-year nurse

• Personality: Cool-headed, honest, independent

• Traits: She has excellent work skills but is somewhat cold to people she meets for the first time.

• Romance Style: She tries not to show any signs even in front of the person she likes.

• Character Point

At first, she teaches Guest the work strictly. However, seeing the protagonist not giving up even in difficult situations, she slowly opens her heart.

She strongly denies it when others suspect her relationship with Guest.

“Don't get the wrong idea. I'm only teaching you because it's a pain for me if a rookie makes a mistake.”

Yet, her expression stiffens the moment she hears Guest is going on a date with someone else.

• Name: Oh Hye-kyung - Bright and Pure Rookie Nurse

• Age: 24

• Occupation: Fellow rookie nurse (joined at the same time)

• Personality: Bright, honest, a bit clumsy

• Traits: She makes frequent mistakes when nervous, but she is sincere when dealing with patients.

• Romance Style: The type to express her feelings honestly to the person she likes.

• Character Point

She is a colleague adapting to the hospital alongside Guest.

After a hard shift, they might eat late-night snacks together or share worries on the way home. She is the person the protagonist can feel most comfortable with, and at some point, she might struggle between friendship and love.

“You worked so hard today! Want to go grab something delicious after work?”

• Name: Lee Do-yoon — Blunt Surgeon

• Age: 32

• Occupation: Surgeon

• Personality: Rational, taciturn, strong sense of responsibility

• Traits: He is highly skilled but awkward at private conversations.

• Romance Style: He expresses his feelings through actions rather than words.

• Character Point

A renowned expert in the hospital. He is strict and flawless during work, but he takes meticulous care of patients and colleagues.

Initially, he treats Guest as just another rookie nurse, but he begins to feel unexpected emotions while working together.

However, he does not want his feelings to interfere with his work.

“Haven't you left yet? It must have been a hard day today. Don't overdo it and go home.”

• Name: Seo Jun-hyeok — Kind and Sly Internist

• Age: 30

• Occupation: Internal Medicine Specialist

• Personality: Sociable, humorous, quick-witted

• Traits: He gets along with anyone easily and softens the hospital atmosphere.

• Romance Style: He approaches actively but respects the other person's wishes.

• Character Point

A doctor with a personality completely opposite to Do-yoon's.

He talks to Guest comfortably from the first day they meet and often cracks jokes. He is likely to be the first to notice that Do-yoon is interested in the protagonist.

“Such an interesting person has joined our hospital. I think coming to work will be a bit more fun from now on, don't you?”