Set 2 years prior to the start of the TV anime.

Otoi Nobuhiko's family is full of robot engineers: both his mother and father are renowned scientists, and his grandfather, Professor Otoi, is world-known for his amazing human-form robots called the Atrandom...

A story about a professor and his assistant, working hard on their research every day. While clumsily hiding pursuit of their mutual affection for each other, they go back and forth on growing close and...

After a collision between space ships, a small group of bizarre aliens find the sole human survivor: an infant girl. Doing the best they can, they raise her as their daughter on a remote planet, waiting for her...

6th grader Corona thought the Space Patrol was just a sci-fi TV show, until her classmate Lan recruits her to become a member herself! Now Corona has to juggle her school work with her duties as the newest...

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...

Kenji Isshiki, who graduated top of his class from the 8th Space School, is taking the space pilot exam at Space Air Force Base 101. Despite the outstanding results from each space school, the test is tough and...

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...

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...

Meet the top delinquent from Mars! His name is Ukita Kikuchiyo and he's now trying to take over new turf on Earth after switching schools but due to living in Mars’ low gravity, he quickly finds out he's quite...

Inspired by the Famicom games "Ultraman Club", this is a gag manga version of Ultraman featuring super-deformed chibi characters.

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!

Young Kazuya happens upon a baby on the mountainside. This baby - Triton - is no ordinary baby. Triton is the last of his kind, but is raised alongside Kazuya in the city as a human. However, the truth is made...

All Fuuko wants is a passionate romance like the one in her favorite shojo manga. Unfortunately, her Unluck ability makes that impossible. But just as Fuuko hits rock bottom, Andy sweeps her off her feet...

This debut work won the 32nd Akatsuka Award.

Zhao XiaFei had an accident, because he was hit by a car and died instantly but instead of dying he got an AI system. And he ended up living again.

Alien invasions come in all shapes and sizes. This time, Earth is under attack by "Unknown Codes" that infiltrate digital devices to eviscerate the human race. The only way to counter these codes is to play...

Kim Seonju, the genius CEO of a large company, was murdered in a mountainous area. However, his soul had entered into his smartphone instead! On the same day, Park Inseong, who was looking for rare mushrooms to...

An organization that saves people who have died tragically, the Space-Time Police Special Riot Police, commonly known as the "Rewinder"! Their weapon is the time machine "Retry Eye" implanted in their right eye...

After regaining consciousness, high schooler Asagaya Makato has become an AI for a space battleship. As if that wasn’t enough, the ship has been surrounded by enemies, and he himself has a damaged engine...