The four Ryudo brothers hold an ancient secret - they are descended from the dragons. They have the speed, strength and power of their legen...

Wakamatsu Masato lives with his step-sister, Miyuki, whom he does not have blood relationship with. Their father is always working oversea a...

The four Ryudo brothers hold an ancient secret - they are descended from the dragons. They have the speed, strength and power of their legen...

The 150-year-long stalemate between the two interstellar superpowers, the Galactic Empire and the Free Planets Alliance, comes to an end whe...