The Dragon Marshal Who Protects the Nation

[Invincible hero + revenge + passionate action + one heroine] Ten years ago, he had nothing. Ten years later, he returns draped in glory, only to learn that the adoptive father who raised him has been brutally killed... and the woman he loves has been forced to marry another man. No one ever thought the Dragon would lose his temper. A dragon has a forbidden scale: touch it, and you die!