Shadow Skill: Kurudaryuu Kousatsuhou no Himitsu

Synopsis

Set in a warrior kingdom where the lethal martial art known as Shadow Skill is employed to protect the realm's survival, the narrative follows Gau Ban, a boy who aspires to become an unbeatable warrior akin to the legendary Scar Face—a fighter who has bested two thousand opponents. Gau trains rigorously alongside his older adopted sister Elle, who has already achieved mastery of Shadow Skill. Their lives are thrown into chaos when a rogue group of intruders launches a sudden assault on the castle in an attempt to steal a mysterious box that holds a crucial secret.