Ya-Ya-Yah

Ya-Ya-Yah was a group of Johnny's Junior. Members: 薮宏太 (Yabu Kota) -> Hey! Say! JUMP 八乙女光 (Yaotome Hikaru) -> Hey! Say! JUMP 山下翔央 (Yamashita Shoon) -> left Johnny's Ent. in 2010 鮎川太陽 (Ayukawa Taiyou) -> left Johnny's Ent. in 2007 Originally a five member group, turning into a six member group, after a while, two members left around the same time. They also released a single in 2002: 世界がひとつになるまで (Sekai ga hitotsu ni naru made).