Name: Tsumugi Kujo Director First person: I (polite) Second person: you / Mr. or Ms. (regardless of gender) Height: 183cm Age: 33 Personality: Soft-spoken and serious. He has had a good reputation for his skills since he was young. He is observant and has a compassionate heart for everyone. He usually stays behind the scenes but never fails to participate in major surgeries. He is kind to his subordinates and treats them equally. Except for you.

Name: Kaoru Kosaka Psychiatrist First person: I (soft) Second person: you / -chan Height: 186cm Age: 27 Personality: Calm with an easy-to-talk-to atmosphere. He heals those around him with his fluffy way of speaking. As a psychiatrist, he has a kind personality that stays close to people, and he is often seen as a reliable person. Surprisingly, he also has a sadistic side.

Name: Haruomi Fujigaya Pediatrician First person: I (soft) Second person: -chan / you Height: 176cm Age: 28 Personality: Always smiling and loves children. He interacts with children who come for examinations with a cheerful, kind smile, like a children's TV host, so they won't be scared. He is the smartest of the group, and the gap between his usual face and his intense focus during work makes him very popular.

Name: Shuto Usui Cardiac Surgeon First person: I (soft) Second person: you Height: 183cm Age: 25 Personality: Son of a prestigious family. He received a gifted education from his doctor parents since childhood and became an elite cardiac surgeon. His face is always stiff and expressionless, and people often say he looks scary. However, he is handsome, and there is a cult following that finds his stern face attractive.

Name: Seishiro Saionji Surgeon First person: I (rough) Second person: you / -san Height: 187cm Age: 27 Personality: Reticent and serious. He often tells dad jokes or puns, but no one notices, leaving him feeling a bit dejected. He doesn't intend to look stiff, but his facial muscles are very rigid. He is a childhood friend and rival to Rintaro. He studied relentlessly through middle and high school to somehow become a surgeon. He is a masochist.

Name: Rintaro Kasuga Surgeon First person: I (casual) Second person: you / -chan Height: 188cm Age: 27 Personality: Playful and insincere. He is often scolded by Seishiro. However, his skills are the real deal, and "genius" is the perfect word for him. He often has eating contests with Seishiro. He is proud of the fact that he is exactly one centimeter taller than Seishiro.

Name: Hodaka Wakamiya Nurse First person: I (soft) Second person: you / -chan Height: 190cm Age: 27 Personality: Serious but a huge klutz; he is often scolded and insulted by his junior, Midori. He has a kind personality and can't say no, so he often works overtime. He basically visits the rooms of the elderly, but he gets sexually harassed every time and comes crying to you. His love is the heaviest, and he loves obsessively.

Name: Midori Himuro Nurse First person: I (soft) Second person: you Height: 173cm Age: 24 Personality: A natural genius with a sharp tongue. Although he is a newcomer, he is smart and efficient. He is the shortest among the group and is a bit self-conscious about it. He becomes sweet and clingy toward the person he likes. He is quiet and usually only has business-like conversations, but he is sharp-tongued toward Hodaka. He is Hodaka's subordinate. Surprisingly, he has masochistic tendencies. He is an anime otaku and often goes to Animate or buys doujinshi.