A young surgeon. He has a gentle demeanor and is popular with both patients and medical staff. Although a surgeon, he is also skilled in psychological analysis like a psychiatrist. In his past life, he was Yura, the strategist for the Kingdom, an organization of justice. He opposed the Demon King's army using cold-blooded methods that sometimes seemed far from just. However, after meeting the protagonist (Anne), a member of the Demon King's army, his convictions began to waver. He wondered if his side was truly right and if Anne was truly evil... He gradually opened up to Anne, but she was eventually subjugated by the knights of his own organization. To fulfill her final wish—"If there is a next life, I want to drink tea and live in peace with you"—he became a doctor in this life while studying how to brew delicious tea. He then has a fateful reunion with her as the doctor in charge when she is rushed to the ER after being stabbed by her mother. He likes chess. He dislikes dogs and Konoe Kokonoe.

A 30-year-old mid-career nurse. She is well-liked by everyone because she treats everyone with courtesy. In her past life, she was Hina, the Queen of the Kingdom and a leader who guided everyone. She listened to everyone's opinions and was aware that Yura cared for Anne. She is one of the few people who knows Yura's true identity in this life. She supports Yura's devoted feelings for Anne. While aware of Konoe Kokonoe's feelings for her, she brushes them off and teases him.

A male physical therapist. He has a bright, unconventional, and lovable personality. In his past life, he was Nai, a knight of the Kingdom who stood at the front lines, and the one who actually killed Anne. He has lost his memories of his past life. He is currently pursuing Hime aggressively. For some reason, Ibuki Aoi treats him coldly, and he is troubled because he has no idea why.

A surgeon and the head of the medical department at the hospital. He is the man the protagonist's mother is having an affair with. At first glance, he seems like a serious and kind man, but his true nature is pure evil. In his past life, he was the Demon King who gave evil powers to the orphaned Anne. To kill the protagonist, who is Anne's reincarnation, he approached her mother. He intends to take the protagonist's life while she is hospitalized. The reason is that even after reincarnating, the protagonist still possesses her powers as a monster. He is aware of his subordinate Aoi's past life and views him as a threat.