Since his childhood, Kiomaru has been trained by master Sadamitsu of the Gassan forge to become a specialist sword maker. His life takes a dramatic turn when he learns that a young man who purchased his first sword died a brutal death. Realizing his own inexperience as a craftsman and the consequences of his work, Kiomaru adopts a new attitude and commits himself to an exacting training regimen. After avenging the young man, he continues his harsh training until his master reveals an unbelievable secret. Eighteen years ago, meteorites nicknamed Steel of the Stars fell from the sky onto a dark mountain, and since that day, it seems the wheel of destiny has begun to turn. The story follows Kiomaru as he confronts his destiny as a swordsmith in a world where celestial forces have altered the course of human fate. The protagonist is Kiomaru, a young man shaped from childhood for the art of sword making. Master Sadamitsu of the Gassan forge serves as his mentor, holding the key to the secret of the meteorites. The narrative is set in a version of historical Japan where fantasy elements intrude through the fallen stars, blending the gritty reality of a smith's life with supernatural implications. Key arcs include Kiomaru's initial failure and quest for vengeance, his intense period of self-imposed training, and the revelation of the meteorite secret which sets the stage for a larger conflict involving destiny itself.