Iku ZYX! Fly High is the 1st album single by ZYX. The album was released on August 6, 2003. The single reached #18 on the Oricon charts and charted for four weeks.
ZYX! Members: Mari Yaguchi (Leader), Erika Umeda, Saki Shimizu, Maimi Yajima, Momoko Tsugunaga, Megumi Murakami