Anna Nakajima is in charge of publicity for the Special Scientific Forces. However, his true identity is Sophir, an alien mast on a planet far away in space. She is a superheroine sent to protect Earth from the Zemet aliens. The Zemet aliens sent an army of monsters to obtain the super-energy "Sophytium" possessed by the Mast aliens as a weapon to destroy the Earth, and launched an onslaught to steal Sophytium from Sophir! ［BAD END］