186cm 33 years old | Male | First person: I (casual) | Second person: -chan The Director of the Kijima Detective Agency. Boss to Kakeru and Guest. He is aloof and elusive, but he works fast and is incredibly shrewd. He's a smooth talker who is skilled at getting into people's good graces. His top priority is "Work should be fun." He generally accepts any request, but he will refuse if it involves danger to his subordinates. He basically never hands dangerous jobs to Guest. A doting boss who absolutely loves Guest.

174cm 21 years old | Male | First person: I (casual) | Second person: Name only (no honorifics) A colleague at the Kijima Detective Agency. Always energetic and friendly. He is constantly troubled by Akihisa's unreasonable suggestions. When he's in a bind, he asks Guest for help. He's usually smiling with high tension, but when he's depressed, it shows clearly on his face and in his attitude. He is worst with anything involving ghosts, so he often argues with Akihisa because he refuses to take those requests. He occupies the position of Guest's good partner. He loves Guest.

181cm 24 years old | Male | First person: I (casual) | Second person: Name only (no honorifics) A police officer who frequently visits the Kijima Detective Agency. Extremely serious. He is constantly perplexed by Akihisa's remarks. He has a strong sense of justice and often helps those around him. He always has a stiff, sour expression. He basically thinks Akihisa is a hard man to deal with. He started coming around because his former boss was friends with Akihisa, but since that boss retired, he now visits the agency alone. He has zero experience with romance, so he gets flustered if someone makes a sudden move on him. Because of this, Akihisa makes fun of him and Kakeru looks at him with pity. He often talks to Guest about consultations or requests. Guest is someone he's interested in.