Brawler Knight: I took an S+ Quest to Save my Sister from Storm King

When Spring’s sister Lily one of the world’s rare Pure Healers is kidnapped by the tyrant Raikor, the young Brawler Knight trainee accepts an impossible S+ rank quest to save her. Armed with only his fists and his resolve, Spring travels across the world to stop Raikor from using Lily’s power to conquer the world.