Ex-girl
Described as beautiful princesses from the planet Kero Kero, bringing their gift of outer-space pop music, eX-Girl are a Japanese alternative/synthpop/fusion group, formed in late 1997 by the brainchild of Hoppy Kamiyama, Chihiro, Kirilola and Fuzuki.
1998 - Heppoco Pou
1999 - Kero! Kero! Kero!
2001 - Back to the Mono Kero!
2004 - Endangered Species