The past life of middle school girl Oma Mada was that of the Demon King. She (he) had only one lingering regret: not being able to confess to her close aide, Lili, whom she loved in her past life. She thought it was a love that could no longer come true... but to her surprise, Lili appears right before her eyes in this life...!? Spanning across past and present lives, the former Demon King gets turned inside out by her crush in this pop and pure romantic comedy!