That Cat! Daigoro!

Daigoro the cat lives a happy life with his beloved grandmother. One day, his grandmother goes out to buy food for Daigoro and never returns, her whereabouts unknown. Worried that something has happened to her grandmother, Daigoro sets out alone to search for her...! A great adventure in human society! A slapstick cat comedy begins!! (Source: Gorakuweb, translated)