The Greatest Magicmaster's Retirement Plan: Volume 16 by Izushiro

After defeating Dante, Alus returns to the Institute, where he meets an unexpected visitor from the Trojan Prison. Tesfia and Alice, both wounded in the battle against the escaped prisoners, resolve to face a new trial bestowed upon them by Alus. The noble faction under Major General Morwald awaits their chance to strike back at Alus’s superior, Governor-General Berwick. And the mysterious and beautiful Magicmaster Noir makes an appearance!