In early 17th-century Japan, a ruthless despot named Gyokuro has consolidated power over the Ohkami province in the western territories, subjugating the local population under his iron fist. Players must undertake a mission to dismantle his tyrannical regime and liberate the region from his cruel grasp. The struggle against Gyokuro's oppressive authority forms the central conflict, with the ultimate objective of bringing stability and freedom back to the war-torn lands.