Gargantia on the Verdurous Planet

The story begins in the distant future in the far reaches of the galaxy. The Human Galactic Alliance has been constantly fighting for its survival against a grotesque race of beings called "Hidiaazu." During an intense battle, the young lieutenant Ledo and his humanoid mobile weapon Chamber are swallowed up into a distortion of time and space. Waking from his artificially induced hibernation, Ledo realizes that he has arrived on Earth, the planet on the lost frontier. On this planet that was completely flooded by the seas, people live in fleets of giant ships, salvaging relics from the seas' depths in order to survive. Ledo arrives on one of the fleets called Gargantia. With no knowledge of the planet's history or culture, he is forced to live alongside Amy, a 15-year-old girl who serves as a messenger aboard the Gargantia fleet. To Ledo, who has lived a life where he knows nothing but fighting, these days of peace continue to surprise him. (Source: Anime News Network)

Knight's & Magic

A Japanese mecha otaku dies in a car accident and his soul is reincarnated into another world as Ernesti Echevarria. Eru inherits memories and interests from his previous life, and aims to be a pilot of a Silhouette Knight, a large humanoid weapon that really exists in his world.(Source: Anime News Network)

Tenchi Muyo! GXP

Seina Yamada is unlucky... so unlucky that when he stumbles upon a recruiter looking for his senpai Tenchi he gets taken instead. Forced into the Galaxy Police, his luck begins to change. A natural to randomly jumping near pirates, he is assigned his own decoy to draw out pirates. His luck brings him into the lives of four women who have a habit of cancelling out his bad luck, turning it into good. Armed with this luck, they pilot the most powerful ships in the Tenchi Universe to defeat the Da Ruma pirates. Now the only uncertainty is whether the sexy Amane Kaunaq, a former model turned into a GP detective, sturdy Kiriko Masaki, who has known Seina for years, the mysterious Ryoko Balta, a former pirate named after the legendary one, or the child-like Neju Na Melmas, a powerful 2000 year-old priestess, will win Seina. (Source: Anime News Network)

Dual! Parallel Trouble Adventure

Kazuki Yotsuga is your regular average nerd in high-school, except he isn't smart. He has this website which relates to his visions that only he can see. His vision's are about robots who keep fighting each other battle after battle. One day he is sent to a, "parallel world" where these visions exist and he joins a company to fight back against the devious RaRa, who want to take over the world. (Source: Anime News Network)

Tenchi Muyo! Ryo-Ohki

Tenchi Masaki was a normal 17-year-old boy until the day he accidentally releases the space pirate, Ryoko from a cave she was sealed in 700 years ago as the people thought she was a demon. In a series of events, four other alien girls show up at the Masaki household as Tenchi learns much of his heritage he never knew about and deal with five alien girls who each have some sort of romantic interest in him. (Source: Anime News Network)

Vandread

Life sucks for Hibiki. Intergalactic society has broken into civil war between males and females; he's stuck on the assembly line for war mecha, relentlessly teased by his co-workers and unable to pursue his dreams of building his own mecha one day. He finally decides he's had enough though, and attempts to break in and steal a mech for his own purposes; this turns out to be a bad idea, thrusting him into the middle of a fever-pitch space battle that brings him face to face with the enemy and launches him into an adventure that will change his mundane life forever. (Source: AnimeNfo)