Yuji Midorikawa is your typical high school student whose has a secret identity: He is "Green" in the high school battalion unit, Gakusei 5 (G5 for short). G5 is the special unit trained to fight and protect...

On one side, we have a guy living a boring and meaningless life meets Touko, a pretty girl, and it turns his life around. They get married, but three months later she tells him she is an alien from a far away...

In the future, alien invasion is a daily occurrence and everyone must be prepared. Elementary School #9 has assigned three students to fight off the extra-terrestrial threat. In 2003, the three volumes were...

Eraser, the mysterious enemy that invaded Earth 13 years ago!! Before their overwhelming power, the entire Earth neared the verge of collapse. But at the last moment there suddenly appeared Earth's lone savior,...

While pursuing a criminal, the pretty but reckless interplanetary police officer Birdy Cephon Altera accidentally kills Tsutomu, an Earthling high school student. To make amends, Birdy is forced to share her...

Years have passed since Naruto and Sasuke teamed up to defeat Kaguya, the progenitor of chakra and the greatest threat the ninja world has ever faced. Times are now peaceful and the new generation of shinobi...

Momo Ayase strikes up an unusual friendship with her school’s UFO fanatic, whom she nicknames “Okarun” because he has a name that is not to be said aloud. While Momo believes in spirits, she thinks aliens are...

From Yen Press: When his parents are murdered by an intergalactic criminal, Daniel X vows to take on his father’s role as Earth’s sole Alien Hunter. Life isn’t easy, though, when you’re a young boy on your own,...

Hordes of demons, once thought entombed forever in the underworld, have now returned to Earth. Evil and corruption begin to seep into our world, as demons seize human hosts. Mankind’s only hope for salvation is...

Iruma Ikaruga is living his best high-school life … until mascot-looking aliens from another world invade with their flesh-eating bugs, seemingly hell-bent on destroying humanity violently and effectively! On...

Before there was Dragon Ball Z, there was Akira Toriyama's action epic Dragon Ball, starring the younger version of Son Goku and all the other Dragon Ball Z heroes! Meet a naive young monkey-tailed boy named...

Extra-dimensional beings known as the Nova have invaded our garden world, hellbent on wiping humanity off the face of the planet. The only hope is a specialized force of genetically engineered female Pandora...

Can the last survivor of Earth make it through the hardships and dangers that lie throughout the galaxy? The little star Earth in the vast universe was collapsed by the invading empire Dectonius. Will Layla...

Tokyo teens Kei and Masaru are killed by a subway train but awaken in a room with an ominous black orb that gives them weapons, suits and orders. Fighting bizarre alien monstrosities in a deadly game, will they...

The peasant Hanbē asks a girl named O-haru for her hand in marriage, but O-haru confesses that she is already thinking of another man named Masakichi from a neighboring village. When Hanbē seeks out Masakichi...

A group of high-school students had an accident on their way to a trip and died but they find themselves in a classroom with a black sphere.

Traveling to America on a goodwill mission, Princess Luna of Transylvania has a vision. A life form of pure energy named Genma that destroys everything in it's path is heading towards Earth. To save the planet,...

During the Edo period, Japan is suddenly invaded by alien creatures known as the "Amanto." Despite the samurai's attempts to combat the extraterrestrial menace, the Shogun soon realizes that their efforts are...

The pudding empire's home planet only has a lifespan left of one year. Thus, they aim to invade Earth and make it their own... but first they've got to wipe out those annoying humans who are currently...

Original Doujinshi by the Qoopie.

To what distance would you go for your one true love? In a future filled with a boundless potential for interstellar peace and prosperity, Mikako joins a research team to explore the recent contact between...

In a world inhabited by crystalline lifeforms called The Lustrous, every unique gem must fight for their way of life against the threat of lunarians who would turn them into decorations. Phosphophyllite, the...

Hundred - that is the only weapon that can oppose the mysterious life form Savaga visiting the Earth. The protagonist, Kirasagi Hayato, aims to become a Martial Arts Master using this Hundred. He managed to get...

Hundred - that is the only weapon that can oppose the mysterious life form Savaga visiting the earth. The protagonist, Kirasagi Hayato, aims to become a Martial Arts Master using this Hundred. He managed to get...