There's a saying in the outside world: "Smiles are free!"

There's a saying in the outside world: "Smiles are free!"

What is that?

It's a fundamental of the service industry to provide free smiles.♪ Would you like to try it out, Mr. Shopkeeper?

Like...this...?

Umm... I wonder how much I should pay...

Umm... I wonder how much I should pay...