Following the destruction of Earth, the majority of the human population is divided up into a number of small domed city-states.
The cause of the infertility is unknown, but people have turned to child-size robots called dolls as a substitute for the presence of children in their lives.
And a red moon, Earth's moon, hangs over Mars, drawn towards the red planet after the destruction of Earth and ravaging it with lunar storms caused by gravitational fluctuations between Mars and its unwelcome satellite.
The protagonist of the story is Layla Ashley, a barbaroi gladiator from Serena City with a mysterious and tragic past and follows her quest to defeat Volk, the ruler of Mars.
The series opening "Lunar Eclipse Grand Guignol" (月蝕グランギニョル Gesshoku Guran Ginyoru) and ending ("Mirai no Eve") themes and the score overall are considered by some fans and reviewers to be among the show's most memorable elements.