Shante Lisveriat, an alien, comes to earth in search of a bride, selecting skeptical middle-schooler Konomi.

A high school boy who's living a relaxed life in the countryside has a difficult time dealing with people but can befriend any animal instead. One day a cat-eared invader from space comes & demands to be...

1-3. Sorako no Tabi 4-5. Sorako no Tabi - Kanata no Tabi6-7. Sorako no Tabi

Rui Hasegawa is an unusual boy whose thoughts and actions are believed to be unconsciously controlling the global population due to extraterrestrial influence from an alien known as "X". When he has thoughts of...

Tatsumiyajima is the central island in the middle of a small cluster of islands, in a sleepy backwater of the Japanese isles. Not much happens there, and the island's young people go to school knowing that...

An elephant girl who loves grass and a kouhai with "grass" in his name.

A side story to Space Adventure Cobra and the final Cobra manga to be done in black and white.

Winner of the 1991 Seiun Award for Best Comic.

Short hentai stories involving space battles, aliens, angels, demon girls, a married couple spicing up their love life, elves, warriors and witches.

Tatsumi, a pragmatic boy who doesn't make friends nor goes out for fun, meets Moru, an exchange student from space. And yet, he ends up accompanying her, although reluctantly, when she asks him to show her...

Minori, a delinquent, is secretely a big fan of sci-fi flicks. While picking on Komatsu, a transfer student, he discovers that he too likes sci-fi movies, and they end up striking up a friendship. However...

"I am inside a spaceship...outside is deep space. The name of my spaceship-- Spaceship EE." It is 2038 CE. Noshi Hyoda is a 23-year-old office worker facing existential despair. Will she escape her world of...

On August 10 2019, humanity received a signal, which was verified for its integrity by hundreds of scientists, from an alien life form containing one message: let us meet on Mars on July 7, 2035. Thus began the...

Hinata Taiyou has unrequited love for Kinoshita Hazuki which is stalked by guys from around the city, let alone the universe. In order to protect her from his fellow stalkers (Yeah, he's one of them), he will...

At the end of the 23rd century, a girl stares at a red star in the sky. Her name happens to be Red Star, born on Mars. The series tells of Red's adventures at the center of the Milky Way. Note: Winner of the...

When the Starry Sky World is attacked by Notraiders and the twelve Star Princesses scatter themselves across the universe, aliens Lala and Prunce and fairy Fuwa arrive on Earth and meet Hikaru Hoshina. Hikaru...

A long time ago in a galaxy far, far away....It is a period of civil war. Rebel spaceships, striking from a hidden base, have won their first victory against the evil Galactic Empire. During the battle, Rebel...

Marionette Game A high school boy moves back to his hometown and reunites with his childhood friend. But why has she changed so much and why does the male students in the club she started seem like inhumane...

Ariyuki is standing in front of his former home which happens to be destroyed by a meteorite. Among the ruins he finds a gem which frees a young girl. The girl claims to be a god and is willing to grant him his...

A boy-meets-alien-girl story with an academic twist, the series follows a bookish biology student whose encounter with an extraterrestrial turns him into an alien hunter.

From Anime News Network: The story begins in the distant future in the far reaches of the galaxy. The Human Galactic Alliance has been constantly fighting for its survival against a grotesque race of beings...