My Roommate is a Cat

Mystery writer Mikazuki Subaru, who isn't good at dealing with people, finds them to be a disturbance when it comes to building his imaginary world. One day, he chances upon a stray cat and feels inspiration strike, so he brings the cat home as his muse. Can watching the inexplicable behaviors of a cat form material for a novel?

She and Her Cat: Their Standing Points

A cat reminisces about his life with and feelings for his owner, a single woman. (Source: Anime News Network)

My Neighbor Totoro

Follow the adventures of Satsuki and her four-year-old sister Mei when they move into a new home in the countryside. To their delight they discover that their new neighbor is a mysterious forest spirit called Totoro who can be seen only through the eyes of a child. Totoro introduces them to extraordinary characters, including a cat that doubles as a bus, takes them on a journey through the wonders of nature. (Source: Disney)

Bananya

An adaptation of Bananya, the banana cat mascot of the stationary company Q-Lia.

Neko nanka Yondemo Konai.

The series focuses on a professional boxer who chooses to become a manga artist after sustaining an injury. The man takes in two cats: Kuro, who is very timid, and her younger sister Chin. (Source: Livechart)

Psycho Nyanya

Nyanya is a psychotic orange cat with only one thing in mind: escape! Determined to keep his owner Young-Sook from getting him neutered, he concocts one crazy scheme after another in hopes of liberating himself from her apartment and finding a cute female cat to be his girlfriend. Willing to do anything to save his nads, the big-headed cat terrorizes Young-Sook night and day. But no matter how much annoyance, abuse, and property damage she's forced to endure, Nyanya will always be her beloved pet - for better or worse!