The fourth and final OVA of the Leina-centric Machine Robo: Revenge of Chronos spin-off/sequel. Instead of following the story of the previous Wolf Sword Legend continuity, Lightning Trap takes place in another universe. In present day Tokyo, traveling has never been more comfortable than aboard the Lightning L808, Japan's new luxury passenger plane. One day, on what seemed to be a routine flight, Haruka Leina and the plane's passengers were unaware of the mysterious and top secret cargo brought aboard, which attracted the attention of international terrorists set on obtaining it. Now, with a dangerous hostage situation at hand, only special agent Laika Strange and brave Leina may be able to save the passengers, and keep the deadly cargo from falling into the wrong hands...

In the age of space colonization, different corporations eagerly claim planets for their own. One such corporation, Syncam, sponsors a crew of seasoned shipmen and fresh-faced recruits to remain in stasis for 20 years until they reach their destination. When they wake, however, they receive a message that two crew members are criminals using assumed identities. Now forced to investigate one another, crew members begin disappearing and dying in strange ways. As their numbers continue to dwindle, the remaining crew is forced to wonder just who—or what—is on their ship.

As society rises from the ashes of war, cybernetically augmented arena fighters battle for fame and fortune... or die trying. It's the 19th century, and the world has entered the Era of Rebirth, recovering from the devastating flames of war. The sport of mechanical martial arts has galvanized the nations. Cybernetically augmented fighters turn their blood into steam and their bodies into brutal fighting—and killing—machines. Young Levius is one of those arena battlers, hell-bent on winning in order to simply survive. (Source: VIZ Media)

Set in a world where the concept of music ceases to exist. The story begins when a boy encounters Myuu, a mysterious girl who possesses an audio input jack in her body. The two intermingle with the history of rock music and embark on an unforgettable journey. (Source: MAL News)