Tales of the Black Hero (Male Reader x Undefeated Bahamut Chronicle)

During an era of tyranny, a coup d'etat occurred in the Old Arcadia Empire. Two brothers named Y/N and Lux Arcadia fought 1,200 Drag-Rides each single-handedly and together they put the tyranny of the Arcadia Empire. However, during an encounter with their eldest brother, Fugil Arcadia, Lux was killed by Fugil in an a...