All high school freshman Airi Hoshina ever wanted was to someday live in a cozy home with a loving husband, and find joy in the little things in life. As a result, she makes it her daily mission to get to school on time because school legend has it that the longer one's non-tardy streak is, the better boyfriend one will find. But just when her daily routine is working like clockwork, an occurrence of fairytale proportions threatens to disrupt her grand plan.

After Aram’s elder brother Jeile fails to lift the spell on him, Aram is forced to stay with Airi. Meanwhile, an unsuspecting Airi recites Aram’s full name in front of the mirror and is magically transported to Astale! But to Airi’s dismay, the citizens of Aram’s kingdom give her the cold shoulder. What do they know about her secret bloodline…?