Reporter of the Japan flash bulb editorial department, Maria Tsukamoto are dove mermaid A which was dispatched from the space, in fact, to protect the earth! One day a catch visited information that a doctor found remains of the ancient civilization by news of the information bureau in Sannouyama in geologic authority, the second lunar month at once, but were attacked who a doctor was, and the Maria was going to be kidnapped! The Maria saves a doctor after a fight with mystery men, but get injured. And a boggler is talked about from the entrance of the doctor! It is to be remains of Fumiaki Goya who was a ruler of the earth once to have been excavated from the remains! Say that such they plan to retaliate for the human who drove oneself to the bottom of the earth….