Ryu Kaizel is the main antagonist of the anime series Scan2Go.
A mysterious racer who suddenly barges into the Gurao racing school. His power is overwhelming and he has a strength that keeps others away. A cruel and unjust "Dark Dragon of Destruction" who states, "I race to see the loser's pain from grief and despair. He sees similarities to himself in Shiro and plots to keep in contact with him.
It is later revealed he is the "child sent by a black hole" who is sent to consume and banish everything into darkness.