Shadow Skill: Kurudaryuu Kousatsuhou no Himitsu

In a kingdom where the ancient and lethal martial art known as Shadow Skill is vital for survival, young Cau Ban aspires to become a legendary warrior like the famed Scar Face, who has triumphed over 2,000 foes. Under the watchful eye of his older adopted sister, Elle, a master of Shadow Skill, Cau Ban dedicates himself to rigorous training, honing his skills and determination in hopes of achieving greatness.

However, their peaceful existence is shattered when a group of ruthless intruders launches a surprise attack on the castle, seeking a mysterious box that holds a significant secret. As chaos descends, Cau Ban must confront the harsh realities of battle and the true meaning of strength, pushing him closer to his dream while uncovering the hidden dangers that threaten his world.