The Strongest Sage with the Weakest Crest Vol. 6 (manga)
With the demons seeking to eliminate all who are aware of their plot to cripple mankind through magic disinformation, Matthias stands on the frontline of the battle…but he’s not alone! He’s got the legendary dragon Iris by his side, not to mention the students of the Second Academy who’ve been training to unleash their full potential. Together, they’ll fight back against the all-powerful demons!