Superstar K2 contestant Kim Ji Soo was recently announced to be an official ambassador for an upcoming marathon focused on disabled athletes, and the singer also unleashed his debut digital single, titled 'Chocolate Drive'!

According to Kim Ji Soo's agency on April 8th, "Kim Ji Soo will attend the marathon on April 9th to proceed with his ambassador duties, and will engage in a meet & greet with fans, as well as sign autographs." The singer himself expressed, "To be able to help those disabled is�truly�a delight to me. Hopefully people in the world�actively�communicate with each other in order to keep the peace, and keep the aid going for those less fortunate." Meanwhile, Kim Ji Soo also released his debut single, 'Chocolate Drive', which can be heard below. The soothing and addictive song is sure to calm some of your nerves, so don't miss out! http://www.youtube.com/watch?v=_TT5wy-tzig Source: Newsen