もずく、ウォーキング!

This peaceful manga features the daily life of Fujimura Sachi and her dog Mozuku. Sachi also has a quirky mother, a father who wears glasses, and a little brother. Sachi spends a lot of time caring for and walking Mozuku, who is a very clever dog with interesting thoughts on his world and the humans that share it. (Source: MangaHelpers)