A new rookie group under Open World Entertainment, 'X-5', has just announced preparations for their debut by opening a teaser homepage on March 18th! Open World Entertainment is home to artists like Jun Jin, Go Ju Won, and The Boss. Their newest artists, 'X-5', is described to be a male group, though details on their specific musical style have yet to be revealed. Music fans can check out teaser videos of their silhouettes through their official homepage here. Fans can look forward to further details on March 21st. Source: Newsen via Nate