Apparently, Disillusioned Adventurers Will Save the World, Vol. 5 (manga)

Nick-s duel with Leon comes to a head! Can a wiry adventurer who was once kicked out of his party outbox a tiger man? Can a na- country bumpkin dragon girl do better on a math test than the cunning swindler Claudine? And are a fallen noble mage and a debauched priest any use at all, or are they just there to throw in the towel when their friends lose? Hopeless apart, these adventurers might just have a chance together...!