In the world of the Yo-kai . . . characters sometimes have those days where nothing goes right. They lose their keys. Their pants fall down. They fart in a crowded elevator! Chances are, a Yo-kai is to blame. They're everywhere, causing daily annoyances, and they're invisible except to the characters who have befriended them.
Robonyan is a robot that resembles Jibanyan but his knowledge, physical power, and all their abilities are greater than Jibanyan’s. Stiff movement aside, the resemblance is uncanny!