Stephy Tang
"No One Knows" (Stephy x Y.E.S.- 3D感官版), is an EP by Stephy Tang. It was released by Gold Typhoon Hong Kong on February 1, 2011. The extended play is a reissue and contains the four tracks from the original EP with duets by South Korean girl group Y.E.S. and an additional track in Mandarin. The title song is the second track.