Nathan is an ordinary boy. However, when he frees the lively Yo-kai "Whisper" from a toy vending machine, he receives a magical watch as a thank you. With this Yo-kai Watch, Nathan can see all the colorful beings known as Yo-kai. They play all sorts of pranks on people, and from now on, Nathan has his hands full trying to win over the Yo-kai. He should especially avoid making an enemy of Petzmeralda, as she forces people to reveal their most embarrassing secrets.