TV Series | Animation, Action, Adventure
Cobra, a famous charismatic space pirate with "psychogun" for a hand, decides to renounce his ways, and become an ordinary person with a new identity. His memories do come back and he becomes a space adventurer fighting villains.
It is stated that planet Galon has 60 times the mass of Earth. Given this, the gravity should be so great that it would be impossible to walk upon the surface.