We've reported two days ago about R&B diva Navi's teaser for We Really Did Love Each Other. Netizens have been particularly curious as to who the mysterious man in this teaser is and the meaning behind the word 'With...' towards the end of this teaser. http://www.youtube.com/watch?v=Gv2u0NnT2D0 His identity has finally been unveiled. This man is none other than the powerful vocalist K. Will! Once Navi's new song releases on the 21st, her and K. Will will touch the audience with their melodious harmony. A representative from Navi's company ITM Entertainment expressed, "Currently, IU and 2AM's Seulong's duet song Nagging is currently receiving lots of love. I believe that We Really Did Love Each Other will catch up to their song soon." Navi and K. Will's sweet duet will release on the 21st.