"Ame-chan, do you want to eat?" is a familiar phrase in Osaka and other places. Why do we call food with the ``san'' prefix? And why is the candy labeled with ``chan''? "It’s because Kansai people are kind, right?” Each of them received their own answers.

"I don't think you can add san to taro. I feel like it's limited to sweet potatoes," says supermarket president.