Description

In this robot-action series, twin brothers Koshiro Tatara and Kaname, who are complete opposites, compete daily to make a girl smile. Koshiro, a handsome mechanical engineer, and Kaname, a scary-looking musclehead, both love her smile. However, tragedy strikes Koshiro, and the two brothers must come together to face it.

This is the physical copy of the Zipman!! manga.