Konosuba: God's Blessing on This Wonderful World!, Vol. 10 (manga)

Iris, convinced that Mitsurugi would never lose to a hero of the weakestclass, declares Kazuma a liar. Not long after, a fight breaks out, and Kazumafinds himself up against the princess's bodyguard, Claire! It's time for ourhero to demonstrate the power that allowed him to overcome the obstacles he'sfaced until now! ...Ah, the panty thief strikes again.