Ya-ya-yah

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 "Yūki 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 been removed from Johnny & Associates's official line-up. In 2010, the remaining previous Ya-Ya-yah member Shoon Yamashita, resigned from the company.

Former members

• Y Kota Yabu (Left in 2007, debuted under Hey! Say! JUMP) born January 31, 1990
• Y Hikaru Yaotome (Left in 2007, debuted under Hey! Say! JUMP) born December 2, 1990
• A Naoya Akama (Left in 2004), born April 5, 1991
• Y Shoon Yamashita (Resigned in 2010) born December 20, 1988
• A Taiyo Ayukawa (Left in 2007, resigned) born January 18, 1991
• Y Yuuki Yoshida (Left in 2002), born November 16, 1987
• A Yasuhiro Ando (Left in 2002), born January 21, 1987
• H Masaki Hoshino (Left in 2004), born October 10, 1987

Single

• Yuuki 100% (by Yabu, Akama, Yamashita, Ayukawa, and Hoshino)

Songs

• 世界がひとつになるまで (Sekai ga hitotsu ni narumade)
• 勇気100% (Yuuki 100%) (Originally a Hikaru Genji song)
• Up Down Ya-Ya-yah
• 合言葉はＹＡ-ＹＡ-ＹＡＨ (Ai kotoba wa Ya-Ya-yah)
• Love Together 2002
• HA-RU-NA-TSU-A-KI-FU-YU
• Stompin'
• Singing For You
• Just Wanna Lovin' You
• Never Stop The Music
• ひまわりのメロディ (Himawari no Melody)
• 風に乗って (Kaze ni Notte)
• START!
• To the Freedom
• サマー×サマー×サマー! (SummerxSummerxSummer!)
• 2 of Us
• Ikujinashi
• 愛しのプレイガール (Itoshi no Playgirl)
• 今進もう (Ima Susumou) Lyrics written by Yaotome Hikaru
• 手をつないでゆこう (Te wo tsunaide yukou) Lyrics co-written by Ya-Ya-yah
• Baby Babe

Television

• Ya-Ya-yah (Hatena Vision Channel)

Other Johnny's Jr. groups

• K.K.Kity
• A.B.C-Z
• Question?