Anisphia, a princess who has retained her memories from her previous life, has spent her nights doing some kind of shady research to fulfill her dream of using magic to fly. One night, she takes a test flight with her special witch's broom, but crash-lands in the middle of the noble academy's soirée. There, she sees Prince Algard publicly breaking off his engagement with the duke's genius daughter, Euphyllia...

After Euphyllia's engagement is annulled in front of her peers, Anisphia swoops in and carries her off. She returns to the palace and tells both girls's fathers that she wants Euphyllia to be her assistant, in hopes that it will restore the humiliated Euphyllia's honor. Thus the two of them begin to live together in a bizarre new arrangement...