Gekitou! EXE Kyoudai Rockmeen!

Fierce Fighting! EXE Siblings Rockmeen! (激闘!エグゼ兄弟ロックメーン) is a manga by Kawano Takumi based on the MegaMan Battle Network series. Published by Shogakukan, was produced in 2003 but was only released in October 2006. Only two volumes were published.

Story
The manga is about the life of MegaMan.EXE, but does not follow the games in any way. Talks about how the daily grind of the heroes. In included original characters.