Thanks to deviant sexuality (lolicon, obsession with 2D girls, etc.), the human birth rate has declined, and humanity is headed for extinction. A cute loli girl from outer space, called Muumo, has come to earth...

The human race has spread its roots into the far reaches of the Universe. In Space Era 0156, war breaks out between the different colonies that inhabit Space. The Earth colony begins to construct a new space...

It is the year 2199. The Gamilans, a hostile alien race, have bombarded the Earth, rendering it virtually uninhabitable and edging humanity to the verge of extinction. Mankind’s last, best hope for survival is...

2199 will be Earth's final year unless the voyage of the space battleship Yamato can succeed! The alien Gamilas have devastated the biosphere, determined to reshape our planet into their own new home. But a...

The story, set in the United Kingdom in 1901, centers on a photographer. In the first chapter, the photographer is on his way to deliver a finished portrait to a client when he encounters a flying object from...

The plot involves an alien empire from the planet "Dada" called the "Robot Army Corps". When they kidnap a human scientist, Dr. Hayami, and two of his three sons and force him to improve their technology, he...

An alien, Mumu, who came to regain the technology lost by his race. The everyday life of an ordinary college student collapses because of his arrival...? A cat shakes the earth! Spectacular romance!!

The girl I fell in love with is an alien? I, the class president, happened to fall in love with my classmate, the eccentric Haru. I confessed my feelings, but her true identity was an extraterrestrial who came...

"It's said that 95% of UFO sightings are shams, but...?"

Puruka is a parasitic alien who came to Earth in order to have offspring. After being saved by a busty high school girl named Fuuka, he begins to live inside of her head. It seems like he'll easily be able to...

The series' protagonist is Takashi Horimachi, a fifth grader at "Anytown" Elementary School. A transfer student named Taro Tanaka enters Takashi's class. Taro Tanaka turns out to be a space alien. Takashi...

Volume 3 of Fujiko Fujio's Shounen SF Short Stories. 1. Uchu Kara no Otoshi-dama2. Anko oini kokoru3. Island of Extinction: One day a fleet of UFOs suddenly appears and lays waste to the Earth, almost wiping...