Manga like Qko-chan: THE Chikyu Shinryaku Shoujo

FLCL

Also known as FLCL.

Status: Finished
Genres: Comedy , Sci-Fi

Naota is a normal Japanese 6th grade boy but when his older brother leaves for America to play baseball, his brother leaves his 17 year old girlfriend Mamimi behind. Mamimi is sending mixed signals and advances to Naota, and he doesn't know what to do about her. But to make matters worse, Naota's world is totally turned upside down when he is run over by a woman on a Vespa. During their first encounter, she hits him over the head with her guitar, which then causes a horn to grow out of his forehead. She calls herself "Haruko" and her presence changes Naota's life to even further insanity.



Tags: Coming of Age , Shounen , Age Gap , Surreal Comedy , Robots , Aliens , Slapstick , Mopeds , Baseball

Alien 9

Also known as Alien Nine.

Status: Finished
Genres: Drama , Horror , Psychological , Sci-Fi

In the future, alien invasion is a daily occurrence and everyone must be prepared. Elementary School #9 has assigned three students to fight off the extra-terrestrial threat.

Tags: Aliens , Denpa , Coming of Age , School , Primarily Female Cast , Primarily Child Cast , Body Horror , Cosmic Horror , Gore , Seinen , Tragedy , Proxy Battle , Female Protagonist , Yuri , Teacher , Urban Fantasy , Age Regression

Sazan to Suisei no Shoujo

Also known as Sazan & Comet Girl.

Status: Finished
Genres: Adventure , Romance , Sci-Fi

Sazan, a young man from Earth, works on other planets and has seen his share of galactic oddities. But when he meets Mina, a red-headed girl who zooms into his life on a space scooter, he knows he’s run into someone special. Mina contains shocking power within her body–a power coveted by space pirates who hope to steal it from her. Mina zooms out of Sazan’s life almost as quickly as she arrived, but Sazan is determined to find her again…no matter how far he has to chase her across the galaxy.



Tags: Space Opera , Full Color , Space , Heterosexual , Super Power , Fugitive , Male Protagonist , Robots , Pirates , Aliens , Josei , Primarily Adult Cast , Artificial Intelligence

Dead Dead Demon's Dededededestruction

Also known as Dead Dead Demon's Dededede Destruction.

Status: Finished
Genres: Comedy , Drama , Sci-Fi , Slice of Life

The Japan Self-Defense Forces are still looking for a way to combat the alien threat, but so far conventional weapons have had no effect. Maybe it’s time to try something unconventional.

Meanwhile, Kadode Koyama and her best friend avidly track the aliens’ movements on social media and less enthusiastically study for college entrance exams. When the end of the world looms overhead, you learn to take things one step at a time.



Notes:
Winner of the 66th Shogakukan Manga Award in the general category.
Includes 1 extra chapter.

Tags: Aliens , Seinen , Female Protagonist , Alternate Universe , Politics , Primarily Female Cast , Military , Time Manipulation , Bisexual , Denpa , Coming of Age , Dystopian , Language Barrier , Philosophy , Tragedy , School , Suicide , Otaku Culture , Post-Apocalyptic , Anti-Hero , Gore , Satire , Cosmic Horror , Yuri , Love Triangle

Ichigeki Sacchuu!! Hoihoi-san

Also known as Interceptor-Doll HoiHoi-san.

Status: Finished
Genres: Comedy , Sci-Fi , Slice of Life

In the 21st century, bugs have become immune to all pesticides. To combat them, the corporations of Japan have developed a new remedy: HoiHoi-San, a robotic exterminator. She's tiny, she's cute, she's deadly.



Tags: Shounen , Robots , Primarily Adult Cast , Work

Aoki Hagane no Arpeggio

Also known as Arpeggio of Blue Steel.

Status: Releasing
Genres: Action , Sci-Fi

In the early 21st century, the majority of Earth’s landmass is submerged due to rising sea levels. Enter the Fleet of Fog, a host of sentient alien battleships of unknown origin who easily decimate earth’s naval forces. Humanity is now on the verge of extinction.

In the year 2056, the stalwart Captain Chihaya Gunzou and his intrepid crew on the Blue Steel fleet may be humanity’s last chance to fight off the alien invaders. The Blue Steel fleet happens to contain a secret weapon that could turn the tide of war: a mysterious I-401 submarine that can transform into a girl.



Notes: Nominated to the 22nd Annual Tezuka Osamu Cultural Prize.

Tags: Military , Ships , Seinen , Post-Apocalyptic , Artificial Intelligence , School , War , Male Protagonist

Same Girl

Status: Finished
Genres: Comedy , Romance

The age when marine life becomes huge and begin to attack the city. High school girl "shark girl" confronts these huge creatures! Average high school student, Natsuzo, knows the secret of this shark girl!!!

Note: Includes 6 extra chapters.

Tags: Seinen , Male Protagonist , Kaiju , Female Protagonist , Crossdressing , School , Super Power

Level E

Status: Finished
Genres: Comedy , Sci-Fi

Tsutsui Yukitaka was a freshman who had just entered a high school, and he was hoped to be a good baseball player. When he moved to a new apartment, there was a man in the room. He said he was an alien and lost his memory.
Actually, he was the first prince of Planet Dogra, and he was the man who had the best brain and the worst nature.

Tags: Aliens , Shounen , Anti-Hero , Episodic , Parody , Meta , Baseball