It's a comedy (though at times serious), who's main character is a cute stray Shiba puppy.

From Doko Demo Doa Manga Scanlations:

Contains short stories of a little rabbit, Sentarou, with his clumsy owner, Baku, who are always happy spending their spring time together.

In the Pikupiku Sentarou Selection series:

V.1 - Funwari Haru no Maki

V.2 - Kirakira Natsu no Maki

V.3 - Oishii Aki no Maki

V.4 - Hokahoka Yuki no Maki