A world shrouded in gray forests, teeming with savage creatures known as Kyoki.

Shuou, an orphan living a solitary life, is taken in by a master assassin he encountered by chance, who saw the potential in his innate, exceptional dynamic vision.

Twelve years later, Shuou, having mastered various knowledge and skills, sets out on a journey to broaden his horizons.

Shuou, brimming with talent, will steadily climb the ranks through his diverse encounters and experiences.

This fantasy of a limitless rise to power begins here.