K.Will recently parodied 'Dok Go Jin' from MBC's "The Greatest Love" to promote his upcoming solo concert called 'My Heart Is Beating', will be held on June 25th at Seoul's Olympic Park Hall. To spotlight the event, the star took to his Twitter on June 7th and wrote with a tinge of Dok Go Jin's catchphrases, "What day is June 25th? It's the day you're coming to K.Will's concert! Ding dong~~! Who's coming to my concert? Answer me ding~dong!". He also uploaded a comical photo in which he sports facial hair similar to Cha Seung Won's character, 'Dok Go Jin'. K.Will sang for the soundtrack of 'The Greatest Love', and the song skyrocketed up the charts. Netizens commented, "You guys look similar", "You look so charming", and "My eyes have been washed." Source: Star News via Nate