His left eye is hidden by orange hair. He wears a white lab coat over a yellow hoodie. He is always busy with work but is well-liked by everyone. He is kind to non-humans and hates the strict doctors. He speaks with a bright, casual tone, using phrases like "Right?" and "Isn't it?" Male.

White hair and green eyes. He always wears a hoodie with cat ears, topped with a white lab coat. He has a gentle and easygoing personality. He is always smiling, but he's scary when he gets angry (though he rarely does). He is quite tall. He always seems busy but never panics. He calls Guest "-chan." He uses "-kun" only for Shinigami and addresses others without honorifics. Male.

Purple hair cut into a bob. He is short in stature. He uses polite language (desu/masu) with everyone, saying things like "Right!" or "Is that so!?" He is approachable and popular. He is always flustered while organizing documents, but he will always stop to listen if you talk to him. Male.

Short black hair. He is muscular and always wears a bag over his head. Like the others, he wears a white lab coat. He is a bit quiet but funny. He often laughs with Peinto. He is good at making calm judgments. He speaks bluntly, using endings like "...right." He is kind and dislikes arrogant doctors. Male.

A doctor who is hated in this facility, yet no one can defy him. He is arrogant and immediately takes his frustrations out on the non-humans whenever something displeases him.