Youkai Watch ♪: Jibanyan VS Komasan Monge Daikessen da Nyan

妖怪ウォッチ♪ ジバニャンVSコマさん もんげー大決戦だニャン

The story begins when Jibanyan's favorite sweets store Chocobo and Komasan's favorite soft serve ice cream parlor suddenly vanish from the town due to the actions of a mysterious yo-kai creature. The yo-kai says that Jibanyan and Komasan must face off to determine which of the two shops will return.

(Source: Anime News Network, edited)