Inukashi, otherwise known as Dogkeeper, is one of the denizens who live outside No.6. Raised by a dog, He/she now runs a hotel where he/she rents out dogs to the tenants, allowing them to keep warm in the winter, though he/she also engages in an information trade. He/she has a strong bond with dogs, particularly the dog that was his/her mother, going as far as to try to kill anyone who would insult his/her memory. Though his/her relation with Nezumi is antagonistic on the surface, the two have come a little closer since Shion has appeared. The sex of Inukashi is never revealed, however it has been hinted quite a bit that Inukashi is a female.