narutogeek

A ninja-for-hire is forced into fighting an old nemesis who is bent on overthrowing the Japanese government. His nemesis is also the leader of a group of demons each with superhuman powers.

Based on the manga by U-Jin. The protagonist, Touma Inaba, is a high school graduate who is trying to get into the prestigious Keio University.

* Based on a game by NAVEL<br/><br/>Aries, an old tourist space station outside Earth's orbit doubles as a preparatory training facility for the Central Military Academy students, the temporary home of Aizawa Ryota, a third year, and his classmates, including his love interest, Nagase Sayaka, his unacknowledged rival, Nittak Kazuhiko, and the proclaimed genius Aizawa Shuhei, his older brother.<br/><br/>The space station is attacked by the terrorist group, Hallarax, and after helping in the evacuation of the majority of the civilians and staff, Ryota, his friends, and a handful of others are left to battle for control of the space station as Hallarax threatens Earth with nuclear retribution.

* Based on a shounen manga by <a href="http://anidb.net/cr2977">Kishimoto Masashi</a>, serialised in Weekly Shounen Jump.