After oversleeping during an attack on Mars, our heroine Eileen is sent to Earth "to broaden her horizons." Eileen can only return to Mars after defeating her quota of monsters, but much to her dismay, Earth is...

From StarryHeaven: Peanut and Kyuuri are aliens who have just arrived on planet earth. Their mission? Find their missing queen! However, this is not easy considering how they have some evil menace pursuing...

After his parents passed away, high school student Toraki lives alone with his younger sister Kokoro, who is in elementary school. In order to make ends meet, Toraki applies for a shady part-time job, and is...

Kim Pyeong-Beom is an ordinary person who lives a common life, but one day an alien with the appearance of a teddy bear lands in his room! From that moment on, he will accept that intercultural exchange with BR...

Who wants to be Princess when you've got the entirety of space to explore? Join Runna and her rag-tag crew as they wander through space in search the unknown, raising hell while encountering everything from the...

Yuri addict and alien Lily in search of new stimulus sets her sights on two childhood friends Iori and Runa who can't be honest about their feelings, to create "real yuri" by her own hands!

"To Hiiragi Kouichi-kun. I'll be waiting for you after school behind the school gym. Sakuragi Umeko." These were the words written in the first love letter Hiiragi ever received. But when he meets Sakuragi, she...

Kana and Makoto have been dating for three months, but when Makoto invites Kana over to his apartment, she discovers he has a very unusual dog for a pet.

A girl named Yuuka, who encounters a being from the depths of the Earth named Chii-chan (a pun of chiteijin, the Japanese word for underground-dweller), and an alien named Ucchan (a pun of uchuujin or alien...

Q is a mysterious girl who appears in a post-apocalyptic world ruled by Solaris – a giant monster-dropping eye in the sky. She also has a huge appetite, especially for donuts. When her path crosses with that of...

Searching with you, the theory of love and everything else. Aoi is an office worker who isn't good at interacting with people, but one day, he meets a mysterious person called Q chasing butterflies in the park...

In the near-future on planet Earth, a world gone mad where never-ending war is a fact of life, Kirio is the coolest kid at school. Up in the sky, a giant robot is fighting a fleet of gunships, but the brilliant...

On the distant Tianxiu Planet, there exists a group of unusual and intelligent beings. They consist of neither children nor elders. They have neither birth nor real death. They are born into the world through...

Yuto follows Mikoto, a childhood friend and high school girl who is one year older, to enter the same high school. When she goes home with Mikoto for the first time in a year, it turns out that Mikoto only sees...

(from ebookjapan): Seven warriors, including Hoshi Hikaru, protect the earth from alien attacks. Their special move is Miracle Nova! "Rainbow Squadron Robin" is a science fiction anime created by "Studio Zero,"...

On Earth, pouring boiling water over a bowl of instant Ramen means you're hungry. On Planet Cup Ramen, where the women are human sized and the three-inch tall, Instant sized men need to be brought up to human...

This is one volume of the Ryokunohara Gakuen Series. Other volumes in the series:1: Rapyutasu Ryuuseigun2: Psicron Syndrome3: Hiroki - Harusaki Meiro4: Anata - Mahoroba Festival5: Lunatic Cinema6: Human...

A number of strange events are taking place in a curious town called Otonari. What is this mysterious girl, Punk, trying to achieve as she races against time? Source: Jmanga

https://comic-walker.com/detail/KC_006659_S

From MangaHelpers: Shibata Youichi is an ordinary high schooler, but one day he runs into a mysterious heroine! The cute girl knows his name, and (as in a stereotypical anime) she's an alien who needs him to...

Ren Sonoda, 13 year old middle school girl, is abducted by a UFO one night and she finds she has an extra appendage between her legs in the morning! A space chicken promises to return her to normal, but only if...

Japan has been invaded by aliens - but this is no ordinary assault. These extraterrestrials are cute and extremely dangerous. Their mind-blowing powers are way too much for the military. Enter Mao-chan, the...

The story of a boy who admires delinquents, who ends up turning into a cat whenever he sneezes.