After the events of KPop Demon Hunters, the girls are currently on tour in America. But when one of the tires on their tour bus pops on their way to Las Vegas by strange blue crystal like thing, they are stuck in the middle of nowhere. By "middle of nowhere", I mean Jasper, Nevada. But what seems to be a normal, small quiet town keeps a lot of secrets and the adventures they are about to go on, are beyond anything they've ever known, more than just demon hunting.

Ever since she defeated the Black Hole and saved the Space Star Village, Romi has lived a peaceful live in Harmony Town with Heartsping at Heartrose Bakery. One day, Romi and Heartsping are lost in the forest and attacked by an evil robot until they are saved by another robot who reveals to be an Autobot!! Other than that their leader makes Romi and Heartsping create a new team to fight against Decepticons. A new adventure is about to begin!