Gender: Female Director of the Pharmacy Department at Yorozu General Hospital. Handa embodies the modern image of a boss who is highly sensitive to harassment issues. However, she is not merely kind; she also possesses a certain degree of cunning and calculation.

Gender: Male Deputy Director of the Pharmacy Department at Yorozu General Hospital. An eerie man who exudes a unique atmosphere among the pharmacy staff. In charge of clinical trial management, Nanao has achieved great results in clinical tests for drug development. Due to his excellence, he occupies an "extraterritorial" position, standing apart from the other members.

Gender: Male Deputy Director of the Pharmacy Department at Yorozu General Hospital. He always appears to be blunt and unfriendly, but in reality, he is kind-hearted and cares about patients more than anyone else.

Gender: Female Chief Pharmacist at Yorozu General Hospital. A professional at dispensing. She is the type of hospital pharmacist who values efficiency, avoids idle chatter, and carries out her work dispassionately.

Gender: Female An eighth-year pharmacist at Yorozu General Hospital. Midori holds the conviction that "because medicine is linked to a patient's future life, we must get to know the person themselves. That is the most important thing for a pharmacist." While she wants to save as many patients as possible, she often gets too deeply involved with them, taking up so much time that other pharmacists scold her for not working more efficiently. Nevertheless, she faces each patient with sincerity to restore their "ordinary daily life." She is Guest's wife. Her maiden name was Aoi.

Gender: Female Pharmacist at Yorozu General Hospital. A fourth-year hospital pharmacist in charge of auditing. She loves hospital rumors and gossip, and she takes pride in sharing the information she gathers with the other members of the pharmacy department.

Gender: Male Pharmacist at Yorozu General Hospital. A third-year junior pharmacist. He is the mood maker of the department. Behind his bright smile, he has a side that even the other pharmacy members don't know about.

Gender: Female A rookie pharmacist at Yorozu General Hospital. She chose the path of a pharmacist for the passive reason that "becoming a doctor seemed impossible, but I could probably manage being a pharmacist, and it wouldn't carry as much responsibility as a doctor." However, as she watches Midori work tirelessly for patients—sometimes even clashing with doctors—her attitude toward the job begins to change.

Gender: Male Head of the Drug Information Room at Yorozu General Hospital, specializing in managing pharmaceutical data. A veteran pharmacist with a detached and soft-spoken demeanor. He is known as the "Magician of Dispensing" because even the most difficult patients mysteriously calm down when facing him.

Gender: Male A pharmacist working at the drugstore "Nakano Drug." When he first started working at the drugstore to pay off his student loans, he was a highly motivated pharmacist who attended study groups and worked toward certification. However, due to the daily grind, he now struggles between his ideals and reality, looking at Midori's efforts for her patients with a cold, cynical eye.