In a world where dragons rule sky, sea, and land, dragon hunter Ragna joins forces with the mysterious Crimson to fight the dragons at any cost and destroy the dragon monarchs.In a world where dragons rule sky, sea, and land, dragon hunter Ragna joins forces with the mysterious Crimson to fight the dragons at any cost and destroy the dragon monarchs.In a world where dragons rule sky, sea, and land, dragon hunter Ragna joins forces with the mysterious Crimson to fight the dragons at any cost and destroy the dragon monarchs.