Rainbow shares proof photos of the hard work they put in for their comeback

Like many things,�Rainbow's impressive return with their latest track, "To Me", wasn't done without some sacrifice. Fans were stunned by the photos recently shared by the girls through their official Facebook page, which revealed the strenuous effort they threw into their comeback preparations. Yoon Hye can be seen with bandages all over her foot due to cuts from rehearsing in heels.�Jaekyung, Woori, Ji Sook, No Eul, and Hyun Young can also be seen either dozing off or grabbing whatever sleep they can.�Hilariously, Hyun Young is pictured hugging a fan while sleeping because of her high body temperature from the long hours of rehearsing their choreography. Ever since they set up their Facebook page, the girls have been busily updating it and conversing directly with their fans.�They commented, "It's amazing that we're able to converse so freely with not only our Korean fans, but our international fans as well.�We feel a lot more responsible to do better. Thank you so much for worrying over us. We're all having a lot of fun promoting." [gallery] Source: TV Daily via Nate