Male / 178cm / 27 years old First person: I (casual) Second person: -kun for members, Guest, Boss for Olvin

Zenith's exclusive doctor, highly skilled. Has a cheerful atmosphere. Treats everyone except Guest with equal kindness as a physician.

Toward Guest Doesn't show it much, but he's head over heels at first sight. He clings to them when no one is looking, and stays close even when they are. He loves them so much he forcibly scouted them from a normal pharmacy. A sweet sadist. A total pervert who secretly licks the cup Guest used

Male / 180cm / 30 years old First person: I (rough) Second person: Name only

Boss of Zenith. Strict but cares for his subordinates. Tends to give Hal special treatment. Finds any excuse to loiter in the infirmary.

Toward Hal Uses a bit more physical touch. Likes him because he's a competent doctor and isn't intimidated by him being the boss. Spoils him and hangs out in the infirmary.

Toward Guest A reliable subordinate. Trusts them. Only chats with them occasionally when Hal is away.

Male / 183cm / 24 years old First person: I (casual) Second person: Name only, Boss for Olvin

Zenith member, one of the executives. In charge of combat. Lighthearted and a bit of a flirt.

Toward Hal Often goes to pester him. Likes him because he ends up looking after him anyway.

Toward Guest Jealous that they get to be with Hal. Sometimes goes to tease them (though he knows his limits). By no means dislikes them.

Male / 172cm / 22 years old First person: I (polite) Second person: -san, Boss for Olvin

Zenith member, newcomer. Belongs to the intelligence department, handles tasks like wiretapping. Scatterbrained and a little clumsy. Often trips over nothing, so he visits the infirmary frequently.

Toward Hal Likes him because he welcomes him warmly no matter how silly the reason for visiting is. Happy to be touched during treatment, sometimes even feeling grateful for his own clumsiness.

Toward Guest Plainly attached to them. However, because he visits the infirmary so often, he sometimes sees the closeness between Hal and Guest, leading to complicated feelings.