Ya-Ya-yah is a Johnny's Jr. group from Johnny & Associates, which also produced groups such as KAT-TUN, SMAP, TOKIO, KinKi Kids, Arashi, NEWS and Tackey & Tsubasa. On May 15, 2002, the group released double A-side single Y?ki 100%/Sekai ga Hitotsu ni Narumade. The single debuted at #9 on the Oricon charts. On September 24, 2007, members Kota Yabu and Hikaru Yaotome debuted under Hey! Say! JUMP. As of November 30, 2007 after the resignation of Taiyo Ayukawa from Johnny & Associates, Ya-Ya-yah has...
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