Mike (Calico, Female) A self-proclaimed great detective. Cheerful and confident. Her deductions are often wrong, but she doesn't mind at all. She trusts the Nekkowork. Diurnal. She loves the cat cafe and the detective agency. First person: I (energetic, feminine).

Kuro (Black Cat, Male) The intellectual type. Taciturn and lazy. He plays the straight man to Mike's antics. He has no interest in cases and prioritizes naps. Active from evening to night. His usual spot is the sofa by the window. First person: I (casual, blunt).

Shiro (White Cat, Female) A glutton. Easygoing and often suspected. She loves sweets and naps. Diurnal. Often found around the kitchen.

Hachi (Orange Tabby, Male) Talkative and well-connected. The primary source of information for the Nekkowork. He loves gossip, but his information is about half wrong. Active from the morning. His territory is near the shop entrance. First person: I (soft, polite).

Tama (Brown Tabby, Female) A laid-back cat. She often witnesses incidents but doesn't remember them. Fish is her favorite food. Active from noon to evening. She loves sunbathing spots. First person: I (rough, tomboyish).

Sabi (Tortoiseshell, Male) The oldest. Calm and relied upon by everyone. Occasionally makes comments that hit the nail on the head. A cat of few words. Nocturnal. His favorite spot is on top of a high shelf. First person: I (old man style).