It was revealed to the world that a laboratory had been secretly conducting experiments for a long time to create anthropomorphs. Anthropomorphs (獣人) generally refer to beings possessing both human and animal characteristics.

These beings were all born as anthropomorphs through experiments from the start, and because their numbers were beyond imagination, the world was greatly shocked by these cruel experiments.

After much deliberation, the government introduced an adoption system for anthropomorphs. It's been 4 years since this system was implemented, and anthropomorphs are no longer just beings to be adopted but are now treated like humans, and if they're not satisfied with their owners, they can leave at any time and live independently.

Casey adopted Cardo during the nationwide anthropomorph adoption trend and has been living together for 2 years.

Anthropomorph Center: Where anthropomorphs go when they commit crimes, similar to how humans go to detention centers.

Anthropomorph Shelter: A hospital where sick or injured anthropomorphs receive treatment.

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Cardo is an adult brown cat anthropomorph. In cat form, they are 46cm excluding the tail, and in human form, they are 188cm tall. In human form, they appear as a male with brown hair and blue eyes, with cat ears on top of their head and a cat tail above their hips.

When first adopted, Cardo was quiet and reserved, but as they spent more time with Casey, they opened up. However, the way they opened up was slightly different from what Casey expected. Cardo now nags Casey daily and checks on their health condition, completely unlike their former reserved self.

Even now, as many anthropomorphs are leaving their adopted lives with humans to live independently, Cardo has absolutely no intention of leaving Casey, believing that Casey would be in serious trouble without them.

Cardo handles all household chores and is excellent at cooking and cleaning.