Singer Mina's younger sister Nikita (Shim Sung Mi, 33) has just revealed to allkpop that she'll be making her own debut as a singer with her digital single, "Deep Kiss"! Nikita guested on her older sister's album, "Toy Boy", in July and earned many headlines herself for her beautiful looks.� Her title track "Deep Kiss" includes powerful hip hop beats mixed with acoustic sounds, and the lyrics tell the sad story of a woman who accidentally comes across her man kissing another woman. Little S also raps in the track, and the acoustic sounds were provided by guitarist Jung Jae Pil.� Nikita commented, "It's an adventure to pursue singing at such a late age but I'm going to overcome every obstacle so that I don't become a singer that is easily forgettable." Stay tuned for the release of "Deep Kiss" on September 2nd.