The Girl, the Shovel and the Evil Eye volume 3

Tsuguto and Loulier, his sheepfolk friend, emerge from the dungeon of Belg triumphant, earning them the epithets, "The Evil-Eyed King" and "Shoveler" respectively. They immediately become the talk of the town, and it doesn't take long before Loulier is abducted by a gang of slave traders! 

In his search for his missing partner, Tsuguto is pressured into cooperating with Loulier's original creditor and slave owner, the Rezeheim Trading Company. And as if the search couldn't get any harder, he encounters a notorious Red Name, known as one of the "Three Crimson Calamities." Tsuguto will first have to survive this harbinger of devastation if he is to save Loulier!