Serephione gets word that Gillain has become emperor—two years earlier than in the book. Could the plot be advancing faster than she thought? If it is, she'll need to speed up her efforts to become a self-sufficient adventurer, so along with Alma and Nick, she takes on the challenge of Trundle Guild's rank promotion test.

Meanwhile, fourth-years Sasara and Elise are about to graduate and move on to the next stage of their lives—but before they do, there's a graduation ball to attend! Sere and Alma step up as moral support for the party, and the four girls become the VIPs of an elite tailor, getting decked out in the finest of ball attire. But even at a top-tier boutique, Serephione can't escape Wild Rose. What will she do when she's confronted with a girl living the life she's tried to escape?