Death March to the Parallel World Rhapsody, Vol. 16 (manga)

After emerging victorious in a brutal battle to the death, Satou succeeds in reviving Sara and restoring peace to the land. But his duties as Nanashi the Hero are far from over, as many of the Demon Lord's followers remain, and he'll have to weed out every last one in order to prevent further bloodshed. Upon returning to hisparty, he receives word of an upcoming martial arts tournament in which some of the land's top fighters are competing, and he might just get the chance to witness several new techniques…

Volume 16 of the Death March to the Parallel World Rhapsody manga series by Ayamegumu Ayamegumu.