There is a war between the Moon and Mars colonies over the right to repatriate Earth once it is restored after its near-destruction after the Fifth World War, but a pilot involved in the conflict is somehow transported to a Horai, a different world similar to Earth during the Middle Ages.There is a war between the Moon and Mars colonies over the right to repatriate Earth once it is restored after its near-destruction after the Fifth World War, but a pilot involved in the conflict is somehow transported to a Horai, a different world similar to Earth during the Middle Ages.

Sinan, a mecha pilot for the Mars colony, is caught off-guard by an explosion and wakes up to find that he has been mysteriously transported to an entirely different world called Horai, with a civilization similar to that of Earth's middle ages, where he ends up rescuing a girl named Mayi from a group of thugs led by Pantera. Original.