Crunchyroll released the Kippo manga in English and it describes the story:
An irreplaceable “spot…” and the greatest friends in the world!
Just when it seems like peaceful everyday life will continue forever, disaster strikes, and that’s when these men move to protect what matters most to them! A compilation of stories about the legendary boys of
Tanaka Launched Kippo in Shonengahosha’s Young King magazine and Shonengahosha distributed the first assembled volume in December 2012.