Ryū holds the record of wins in the material arts arena.

 Known to fight dirty and ruin the matche by attacking until his opponent's data is broken.  

Being chased down by he Justices, a group of corps inside "U" Because of his immense power.

Lives inside a hidden castle inside "U", which lies hidden and protected by the virtual world's AIs.

Large build, long messy black hair, long white horns on his head, a long dragon-like face yellow eyes wears a long cape that hides bruises.