Charaction

Kyousuke's younger sister Namika has been living apart from him for ten years. One day, she returns and begins to live with him again, but she has turned into an energetic Osaka girl.

The series follows the daily lives of a naughty female cat named Azuki and a quiet male cat named Daizu who live with their owner, a 30 year old office lady, and her extended family, including an otaku elder brother and an adopted shiba inu dog who thinks he's a cat. (Source: Crunchyroll)