Ascendance of a Bookworm Part 5 Novel Volume 3 was written by Miya Kazuki and illustrated by You Shiina.

No time to rest—the Interduchy Tournament is about to begin!After yet another fever, Rozemyne awakes to some shocking news: the Sovereign knights captured for interrupting her ditter match might have been under the influence of trug. This brings a recent incident involving Lady Georgine to her mind, but Rozemyne decides to leave the matter to the adults. After all, the Interduchy Tournament is coming soon, and the students of Ehrenfest need to prepare!