In the distant future, trains are no longer bound by their physical tracks. Instead, they take to the skies and travel across the universe on the Galaxy Railways, transporting mankind from planet to planet. However, the Galaxy Railways are no safer than traditional trains: criminals, terrorists, and vile aliens always find a way to stir up trouble. Manabu Yuuki, a rash and hot-headed man, is the latest addition to the Galaxy Railways' elite Space Defence Force (SDF). These brave men and women are responsible for protecting the railways and responding to any unprecedented danger, risking their lives to protect the innocent from evil. But as this drama unfolds and the SDF's greatest crisis draws nearer, Manabu must truly learn what it means to be a member of the SDF before it is too late.

Dr. Watson has created his masterpiece – a beautiful woman made of metal. A wonder of science, Antoinette is a childlike innocent who holds the key to an ancient civilization that could save the world, or destroy it. And when a mad tyrant kidnaps the man she loves, Antoinette finally discovers the courage – and the amazing fighting skills – that are her true calling.

Oji Tanaka has a wife, a child and a mundane job as a salary man in Tokyo's modern society. But life wasn't dull for him to begin with; 15 years ago, he was known as Gabriel, leader of a short-lived heavy metal band called Black Heaven. Oji's life gets a sudden change in direction when he is invited by a mysterious blonde woman named Layla to pick up his Gibson Flying V and once again display his legendary guitar skills, not knowing that his music generates power for a massive weapon in an intergalactic war. (Source: ANN)

After the Interstellar Alliance established peace among most of the planets in the universe, they created the Cosmo Academy. The academy is renowned as the most elite school in existence, with its graduates guaranteed virtually any job they desire. However, one can only become a student if they pass the entrance examinations held every three years, making the competition for admission extremely fierce. Lane Tadatos is a Terran who has managed to reach the final stage of examinations. Placed in a group of 10, he is sent to the Esperanza—a ship stranded in orbit. Their final test is to survive 53 days on the ship, without any means of communication with the outside other than an emergency forfeit button. But a serious problem emerges for the examinees when they perform a headcount. There are 11 people aboard the Esperanza, meaning that one of them is an impostor.