Now that exams are over, the students of Lucrezia Academy get to relax and what better way to do that than a camping trip? But what was supposed to be a fun extracurricular activity turns into a nightmare when Leticiel’s friends get captured by bandits.

But this incident may not be as simple as it seems.

As Leticiel digs into the mysteries of the black fog, she meets a masked figure who not only seems to have something to do with the dangerous fog, but he seems to know her former self Drossell. Just who is this masked man? And how are he and Drossell connected to each other?