After killing the son of a powerful oil tycoon, an assassin-for-hire becomes the target of American soldiers and superhuman killers.
Cobra, a famous space pirate with a psycho-gun hidden in his left arm, supposed dead for two years, is back in action. He falls for bounty huntress Jane Flower, whom crime lord Necron wants dead, and tries to help her save her world.
Okazaki Tomoya is a delinquent who finds life dull and believes he'll never amount to anything. Along with his friend Sunohara, he skips school and plans to waste his high school days away.