Ultraman Vol. 12 (manga)

The battle against the Star of Darkness in New York City ends in a blinding flash of Spacium rays. While things return to normal for the SSSP, in the aftermath, Adad betrays the Star Cluster Council and flees to Hong Kong. Now, two assassins known as the Leo Brothers have been sent to hunt him down. In this battle of unleashed beasts, there is only victory or death...