RIZE

In 1972, the Apollo 17 mission discovered a hypergate to Mars on the surface of the moon. Soon, a war breaks out between Earth and Mars, and Martian soldiers begin to descend from the sky, riding steel giants, intent on exterminating humanity.

A teen boy that fell in love with a girl in a dungeon. He starts out weak but as the story progresses he gets stronger.

Seeking for revenge, Count Saazbaum, a Martian, attacked the Earth. Later on, the war between the Terrans and Martians ended with Earth's Terrans gaining the victory.