The world of Higan fought off the invasion of the mechanical civilization known as "Ikai" but was left shattered in the aftermath. In this war-torn land, survivors cling to life against all odds. Amber, a witch and pivotal figure in the conflict, wields the “magic of letters” she vowed to use to bind people together. It’s a fantasy adventure of witches and magic, set in a world teetering on the edge, where hope and dreams still find a way to connect hearts.