 If you liked
My Young Cat and My Old Dog
|
 ...then you might like
Fushigi Neko no Kyuu-chan
|
While MYCaMOD is a little melancholic and Kyuu-chan is too fictional, there are a lot of things in common between these series: They talk about the daily life of an animal and his/her owners. Also, they have episodic and short chapters, with a simple art style, and a serene atmosphere.