Kero!

is the second studio album by Japanese a girl group eX-Girl, released on the PARANOIZ label in Japan (PAR-50020), and by KIKI Poo Records in the US.

"Kero" is the sound a frog makes in the Japanese language , of.

"ribbit" in English.

The line-up consisted of Chihiro, Kirilo and Fuzuki, and the album was produced by Hoppy Kamiyama.