Watanabe Mayu 渡辺麻友 Nickname "Mayuyu" まゆゆ Born March 26 1994 In Saitama Japan Is A Japanese Idol Singer Model And Actress As Well As A Leading Member Of Idol Group AKB48’s Team B. She Was Also A Member Of The Sub-Unit Watarirouka Hashiritai 7. Watanabe Debuted As A Solo Artist With The Single 'Synchro Tokimeki' シンクロときめき On February 29 2012. It Is The Theme Song To The Drama Saba Doll さばドル In Which Watanabe Herself Stars.