Manga like Alien 9

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

Made in Abyss

Also known as Made in Abyss.

Status: Releasing
Genres: Adventure , Drama , Fantasy , Horror , Sci-Fi

In an age when the corners of the world have been scoured for their secrets, only one place remains unexplored–a massive cave system known as the Abyss. Those who traverse its endless pits and labyrinth-like tunnels are known as Cave Raiders. A young orphan named Riko dreams of following in her mother’s footsteps as a Cave Raider, and when she meets a strange robot when exploring the Abyss, she’s one step closer to achieving her goal!



Notes:
Includes the 4-chapter "How Are You? Somewhere" side story.
Nominated for the 11th Manga Taishou Awards (2018).

Tags: Survival , Tragedy , Primarily Child Cast , Lost Civilization , Travel , Body Horror , Female Protagonist , Wilderness , Chibi , Amnesia , Gore , Philosophy , Seinen , Male Protagonist , Robots , Food , Twins , Curses , Monster Girl , Nudity , Adoption

Narutaru

Also known as Shadow Star☆.

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

Shiina Tamai, an energetic sixth-grader, found a star-shaped creature on the seabed during her visit to her grandparents' house. She befriended it and found it has some supernatural powers, such as flying and incredible strength. However, what seemed like a dream may turn out to be her worst nightmare as she meets other kids who have similar creatures and dark, destructive desires...

Note: Includes an extra chapter.

Tags: Seinen , Primarily Child Cast , Denpa , Female Protagonist , Tragedy , Philosophy , Body Horror , Cosmic Horror , Bullying , Gore , Military , LGBTQ+ Themes , Transgender , Age Gap

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

Milk Closet

Status: Finished
Genres: Action , Sci-Fi

Many children mysteriously disappear in 2005. This is called it the ‘Reasal Phenomenon.’ A few children came back with tails on their behinds. One of them was Hana Yamaguchi. Hana calls upon children with tails and creates the ‘Macro Cosmic Invincible Legion of Kids.’ These children can go freely back and forth from one world to another and with such special powers, they save missing children. But then, the Ali Troops invade this world. This is a fascinating SF drama about the wonders of the universe.



Tags: Aliens , Body Horror , Survival , Alternate Universe , Primarily Child Cast , Female Protagonist , Seinen

Gakkou Gurashi!

Also known as School-Live!.

Status: Finished
Genres: Horror , Mystery , Psychological , Slice of Life , Supernatural

Meet the members of the School Living Club! There's the shovel-loving(?) Kurumi Ebisuzawa, the big-sister figure Yuuri Wakasa, club advisor Megumi Sakura, and last but not least, the ever-optimistic Yuki Takeya. The School Living Club is just your average after-school organization where the girls hang out, have fun...and live at school as the sole survivors of a zombie apocalypse.



Tags: Post-Apocalyptic , Coming of Age , Tragedy , Zombie , Survival , School Club , Primarily Female Cast , School , Memory Manipulation , Seinen , Female Protagonist , Guns , Cute Girls Doing Cute Things , Tomboy , Denpa , Primarily Teen Cast , Found Family , Time Skip , College

Wakusei Closet

Status: Finished
Genres: Adventure , Fantasy , Horror , Supernatural

The protagonist is a girl with the ability to visit a surreal alternate dimension full of monsters in her dreams. One day, she encounters another human girl there and receives a plea for help.

Tags: Cosmic Horror , Body Horror , Female Protagonist , Survival , Alternate Universe , Seinen , Gore , Afterlife , Denpa , Time Skip , Yuri , Aliens

70 Oku no Hari

Also known as 7 Billion Needles.

Status: Finished
Genres: Action , Horror , Sci-Fi

Hikaru Takabe may not be the most social of teens. Always sporting her headphones, she gives off an aloof aura that rubs her classmates the wrong way. But her not being part of the crowd takes on a different dimension when she becomes involved in an intergalactic game of cat and mouse.

Inspired by Needle, the Golden Age hard sci-fi classic by the late Hal Clement, Nobuaki Tadano's debut work brings a unique take on alien invasion up to date and into the maelstrom that is the Japanese high school girl.



Tags: Dissociative Identities , Female Protagonist , Hikikomori , Coming of Age , Seinen , Aliens , Body Horror , Cosmic Horror , Gore , School , Kaiju , Tokusatsu

Shoujo Shuumatsu Ryokou

Also known as Girls' Last Tour.

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

Civilization is dead, but Chito and Yuuri are still alive. So they hop aboard their beloved Kettenkrad motorbike and aimlessly wander the ruins of the world they once knew. Day after hopeless day, they look for their next meal and fuel for their ride. But as long as the two are together, even an existence as bleak as theirs has a ray or two of sunshine in it, whether they're sucking down their fill of soup or hunting for machine parts to tinker with. For two girls in a world full of nothing, the experiences and feelings the two share give them something to live for…



Note: Winner of the Best Comic Award at the Seiun Awards in 2019.

Tags: Post-Apocalyptic , Philosophy , Female Protagonist , Tragedy , Lost Civilization , Survival , Iyashikei , Primarily Female Cast , Cute Girls Doing Cute Things , Episodic , Travel , Seinen , Snowscape , War , Urban , Artificial Intelligence , Chibi , Cosmic Horror , Military , Tanks , Denpa

Shin Seiki Evangelion

Also known as Neon Genesis Evangelion.

Status: Finished
Genres: Action , Drama , Mecha , Mystery , Psychological , Sci-Fi

In 2015, the "Angels" have returned, and Shinji Ikari, a fourteen year-old child of the new Earth, is forced by his father Gendo--commander of the secret organization NERV--to pilot the monstrous biomechanical weapon called "Evangelion" to match the Angels' fearsome power...



Tags: Philosophy , Coming of Age , Kaiju , Tragedy , Military , Body Horror , Primarily Teen Cast , Real Robot , Conspiracy , Male Protagonist , Post-Apocalyptic , Denpa , Cosmic Horror , Robots , Super Robot , Tsundere , Angels , Kuudere , Gore , Memory Manipulation , Cyberpunk , Amnesia , Bisexual , Espionage , Guns , School , Urban , Seinen , Nudity , Space , Age Gap , Tokusatsu , Love Triangle , Boys' Love