Mangas
ぴくぴく仙太郎セレクション ふんわり春の巻 - Piku Piku Sentarou Selection: A Gently Spring Volume - Piku Piku Sentarou Selection: Funwari Haru no Maki - 센타로의 일기
From Doko Demo Doa Manga Scanlations: Contains 15 short stories of a little rabbit, Sentarou, with his clumsy owner, Baku, who are always happy spending their spring time together.
柴王(シバオー) - 流浪犬柴王
It's a comedy (though at times serious), who's main character is a cute stray Shiba puppy. -Mangaupdates