DOPPEL An Experimental Music Unit Consists Of Mitsu(Dolly)on Vocal And Yuina(WORLD WRAP WORD)on Guitar. The Unit Debuted In February 2nd 2013 Under The Moonlight Records Label. Official Site Http //doppel.Jp/pc/ Twitter Mitsu Https //twitter.Com/official_Mitsu Yuina Https //twitter.Com/yuina_Official