Makoto Mizuhara is sent to the world of El-Hazard by Ifurita when an ancient monument is found at his school, along with his teacher Mr. Fujisawa. Moments after arriving they discover Mr.Fujisawa now has super human strength when he saves Rune Venus (the princess of Roshtaria) from the Bugrom. She mistakes Makoto for her sister Fatora, who Makoto looks like. Roshtaria asks/demands Makoto impersonate Fatora in order to placate the other ruling houses that, with war looming against the Bugrom, that Roshtaria can still open the 'Eye of God' weapon if needed. Meanwhile, the decidedly power-hungry classmate of Makoto's, Jinnai, joins forces with Queen Diva and her Bugrom and starts to lead them. Makoto's other classmate/semi-girlfriend, Nanami, ends up alone and stranded in El-Hazard so she has to get a job to survive.
