In an abandoned Tokyo overrun by bubbles and gravitational abnormalities, one gifted young man has a fateful meeting with a mysterious girl.

A young girl, from a civilization that resides in deep underground tunnels, finds herself trapped in an inverted world and teams up with a resident to escape and return home.

In an alternate universe where twinned worlds have opposite gravities, a young man battles interplanetary prejudice and the laws of physics in his quest to reunite with the long-lost girl of his ...

In the late 21st century, a subculture of humans have emerged who have been modified genetically by a vampire-like disease, giving them enhanced speed, incredible stamina and acute intelligence. ...