Xdinary Heroes' Gaon is the next member to shine in teaser images for 'Hello, World!'.

On July 10 at midnight KST, JYP Entertainment's rookie boy group Xdinary Heroes continued releasing teasers for their first-ever comeback since the debut. The boys plan to showcase more of their color with the release of their 1st mini-album, 'Hello, World!' and the title track "Test Me". 

Xdinary Heroes will be back with 'Hello, World!' on July 20 at 6 PM KST.