ZUNO - Can the older brother live up to the younger sibling's success? On April 18, Tohoshinki fans in Japan will likely be seeing the brothers Xiah Junsu and ZUNO together on the same stage for Xiah Junsu's twin Kim Junho will be making his singing debut in Japan under the stage name ZUNO. Like the event's title "ZUNO JAPAN 1st SHOWCASE 2010 in TOKYO - Special Guest Junsu," Xiah Junsu will be appearing at the showcase to support his older brother. ZUNO, well-known among Japanese fans as "the older twin of Xiah Junsu who used to be a baseball player," already made his debut at the "Beijing Showcase" held in China on March 28. This was the official debut performance in China for the singer even though he had already been making himself known in the region by appearing on Chinese variety programs since quite a while ago. Of course, Xiah Junsu also made a guest appearance at this event and received cheers from many fans.