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...

Euphyllia is sick with fatigue from dealing with her new and unfamiliar lifestyle, but with Anisphia's gentle nursing and warm words, she quickly recovers. Ilia tells Euphyllia about her own past and Anisphia's true intentions, finally giving Euphyllia an idea of who she should strive to be. But then an unexpected urgent message arrives from the adventurers' guild...

Anisphia and Euphyllia have successfully completed their lecture before the Ministry of the Arcane. During the banquet held afterward, the alarm at Anisphia's villa sounds. Anisphia and Euphyllia rush back to the villa, but the sight awaiting them there is a heartbreaking one...

With Algard gone, Anisphia is the only one left to succeed the throne, so she begins acting as a future queen should. Euphyllia makes up her mind to support Anisphia as her assistant and subject, but when she sees the lab all cleaned up and Anisphia forcing herself to smile, her heart wavers...