Follow the Hundred Knight in its journey through a witch-ravaged world. Young girls are contracting a strange illness and awakening as witches, causing mayhem across the region of Kevala. Along the Hundred Knight's side are two sisters: Amalie, an agent of an organization who opposes witches; and Chelka, the witch who awakened in Amalie's younger sister, Milm.

Uncover the mysteries of Kevala as you protect them both from harm. Delve through dungeons and landscapes teeming with fiends and monsters, looking for equipment of legendary power. Grow stronger with help from Tochkas and Facets that will give an advantage in combat. Chain attacks together with the unique weapon system that welcomes weapon change mid-combat. The fate of Kevala is in your hands, brave knight.