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...

A whole new meaning to “spaced out.” Nagi, who lives in a faraway village close to the sea, is bored out of her mind and drifts in her last summer holiday before ending high school. One fateful day, she has an...

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...

"It was love at first sight." Taiga Hoshino is a regular guy who works at a delivery company, but when he gets kidnapped by aliens his life turns around completely! A fluffy, floating alien claims to have...

An alien named Mumu is a survivor of a civil war that saw the destruction of his planet's scientists, leaving only its fools alive. In an attempt to understand the advanced technology his people left behind, he...

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...

https://comic-walker.com/detail/KC_005930_S

A spaceship lands on a bathhouse which belongs to Kazuto's family. Inside is Princess Warukure (Valkyrie) who gives part of her soul to Kazuto to save him from death (caused by her crash). Since she only has...

Grendizer follows the adventures of Duke Fleed, the prince of Planet Fleed, who, disguised as Daisuke, a farm worker, fights against the forces that destroyed his planet, the Vegan Empire, also the creators of...

UFO Robot Grendizer is the third entry in the Mazinger Trilogy by Go Nagai, following Mazinger Z and Great Mazinger. This particular incarnation was illustrated by Gosaku Ota and published in Boken Oh...

The world is being assimilated by a crazy religion, and to stop it I have become their satan. The religion is controlled by aliens, and people don’t have a clue. The world says that aliens don’t exist, but they...

Decades ago, a being known as the Giant of Light joined together with Shin Hayata of the Science Special Search Party to save Earth from an invasion of terrifying monsters called Kaiju. Now, many years later...

The fierce battles with popular monsters such as the Baltan and Mefilas aliens are fully recorded along with the color pages from the serialization and the chapter covers!

Tsuburaya Productions official manga adaptation of "Ultraman Blazar"

"[...] it's a very nice doujinshi about a busty light giant called Nana by Sasaki Maru." -- Kusanyagi