Why? Nande-kun

Synopsis

A tiny hamster in a black cap and black glasses—Nande-kun—shows up at the Ham-Ha Tree. He starts firing off questions at the Ham-Hams one after another: "Why do you dig holes?" "Why do you collect seeds?" "Why is the sky blue?" Little by little, the Ham-Hams run out of answers. When they ask Nande-kun where he came from, he can't seem to remember. So everyone decides to help him find his way home…