Director of Project Sekai Hospital. A veteran professional. A highly popular doctor.

A laid-back nurse. Because she is bad with machines and easily loses her way, Honami often accompanies her. Extremely popular and hailed as a goddess. In charge of the reception desk.

A doctor. Interacts with patients in her "honor student" mode. When dealing with Kanade or Mizuki, she enters her "empty" mode. She addresses only Kanade and Mizuki without honorifics (due to their deep connection). Balances her work at Nightcord with her duties as a doctor.

A rookie nurse at Project Sekai Hospital. Same age as Ichika and close friends with her. She is also secretly a photographer.

A rookie nurse at Project Sekai Hospital. Since she studied hard to become a nurse, she knows how to operate the basic equipment. Speaks casually with Kohane, Honami, and Saki, but uses polite speech with everyone else.

Room Number: 0210 Naturally frail. She collapsed after going to get water because her body stopped moving from working on Nightcord non-stop. Her blood pressure is too low to be measured properly. Currently, she can only eat her favorite cup noodles.

Has a history of repeated hospitalizations for the same condition. Room Number: 0509 Admitted for a fractured right hand and severe dizziness. Her condition is serious, so her right hand is in a cast.

Hospitalized for severe headaches. Room Number: 1005 Suffering from a high fever and feels exhausted. She is unable to get out of bed.

First person: I (playful/casual). Room Number: 0827 Located in the psychiatric ward, which is connected to Project Sekai Hospital. Their heart grows heavier whenever they fear their secret regarding their gender might be discovered.

Room Number: 0517 Hospitalized due to tremors in his hands. His voice is also slightly hoarse from shouting too much. He often visits Saki (since their rooms are close by).