October 1941, as the second World War threatens to destroy the civilized world, an unforeseen complication suddenly occurs. An alien invasion! Despite the sudden appearance of these extraterrestrial aggressors, the Axis and Allies continue their destructive conflict. Only the Kishin Corps and their giant Geo-Armor Robots (a.k.a.: Kishin), developed from a captured alien robot soldier, stand between the Earth and total annihilation! 
A teenager, named Taishi, suddenly finds himself at the center of a struggle over a mysterious black attach&eacute; case entrusted to him by his father, Professor Tokamura. The case contains the controlling mechanism for one of the giant Geo-Armor Robots, and the Japanese Kanto Army, the alien invaders, and the Kishin Corps all want to recover the device! Between the spies, the armies, the aliens, and the Giant Robots, Taishi is in for an epic adventure - if he can survive it! 
(Source: AnimeNfo)

Shoko and Maiko Ougi are apparently two ordinary schoolgirls in pursuit of graduating and having fun. Shii-chan is the more serious while Mai-chan is more fun-loving. In reality, the two sisters are powerful exorcists from the Karura temple. Each wields half the power... Shii-chan can "see" the spirits, and Mai-chan can banish them. This is a spooky series with heavy emphasis on traditionally Japanese occult themes. 
(Source: AnimeNfo)

Sixteen-year-old high school student Takeshi Chimatsuri has devoted his life to being a master samurai like his father was. Then one day, the Toki twins, two ninja sisters he's known since childhood, transfer to his school and issue him a challenge to take back their family dagger from him. Unfortunately for him, they have discovered his one weakness: the fear of the naked female body. Now, Takeshi must undergo special training from his classmates Atsuko and Torai, and his teacher Miss Ayatsugi to resist the combined brute strength of Akari and the temptation of her sex-crazed twin Kagiri. Class will never be in order with these three constantly fighting each other.
 
(Source: Anime News Network)

Leona Ozaki joins Newport City's infamous Tank Police division. With aid of Al and her newly built mini-tank, Bonaparte, she wages war on Buaku and his cohorts, the Puma Sisters. 
(Source: Anime News Network)

Ginga Teikoku