Jade Walker moves out from home to a small village when she finished school, to take herself a year to consider what she wants to do with her life and to write music. What she definitely didn't expect, was a impertinent but attractive demon who lives in the house of her new friend Lydia, who takes guitar lessons from Jade. When Jade gets home after a guitar lesson with Lydia, she gets struck by a lightning. When she wakes up, she's not herself anymore. She's in the body of Betelgeuse, the demon and he is in hers. Stuck in this weird situation, she realizes, that there is much more behind the asshole front of Betelgeuse, than she thought at the beginning...