In a desolate and dark world full of shadows, lives one little girl who seems to do nothing but collect water in jars and protect a large egg she carries everywhere. A mysterious man enters her life... and they discuss the world around them.
Cobra lived an adventurous life until his enemies began to hunt him down. He surgically altered his face and erased his own memory in order to hide from his foes and lead a normal life. Eventually, he regains his memories and re-unites with his old partner Lady Armaroid and his ship Tortuga. Cobra travels the galaxy, fighting the outlaw Pirate Guild, but also fleeing the law-enforcing Milky Way Patrol.
As the perpetually lecherous Ataru and his friends prepare for a carnival at Tomobiki High School, they gradually realize the days are literally repeating themselves. Any effort to break the pattern dumps them back where they started.
