A story of future Earth - A warning for mankind: In the future, our planet will be transformed into a strange new world where human life struggles on an Earth without rain or oceans - only vast, parched deserts. Two youths fight for survival on our hostile planet and find hope. The sea, the sky and the land had been completely polluted by mankind when mysterious objects fall from the heavens. These titanic vessels smash into the planet and suck up the air, water, and most living creatures into their womb, stealing away the very essence of Earth`s nature. The few remaining inhabitants struggle for survival against a hostile environment and an oppressive ruling race known as the Rodo. One young, hot-blooded human named Ran, fights against the Rodo and a world in which rain is only a legend. He strives to join an Anti-Rodo group known as the Hazzard, not only to defeat the Rodo, but also to hunt down the man who killed his mother.

When Sanpeita Kobayashi was a child, his lovely friend had to move away, but she vowed that in ten years, they would meet again—as husband and wife. Ten years later, Sanpeita is a high school student, but he hasn't forgotten the feelings they shared. Sanpeita awakes from a dream about his last day with her, only to have his morning interrupted. A weird robot girl is battling other robots in his bedroom, claiming to be his wife. The robot's pilot looks like none other than Sanpeita's long-lost, childhood friend. But who is she really? Why did she have to leave? And what does she have to do with the Mishima Electronics Corporation?

Tadashi Matsushita has recently entered the Kansai Fifth Technical High School and joined its notorious karate club. There he meets his captain, Yoshiyuki Takagi, an incredibly strong individual. Feared and respected throughout Osaka, Takagi is deep down an honorable and compassionate guy despite his violent endeavors.

Apulo (a cat-like space alien with the ability to lock a human's emotions) and Latell work for the Division of Space Piracy (or DSP for short). The two of them are extremely destructive in their solving of DSP cases. They are attempting to stop Youmei the space pirate from exploiting Computer Aided Thinking for his own nefarious plans.