Top 10 Sci Fi Manga of 2003

85%

1. Gin Tama

Action, Comedy, Sci-Fi, Drama

The samurai didn't stand a chance. First, the aliens invaded Japan. Next, they took all the jobs. And then they confiscated everyone's swords. So what does a hotheaded former samurai like Sakata "Gin" Gintoki do to make ends meet? Take any odd job that comes his way, even if it means losing his dignity.

(Source: Viz)

Included one-shots: Dandelion, Shirokuro, Bankara-san ga Tooru

84%

2. Pluto

Drama, Mystery, Sci-Fi

Based off of a story arc from Osamu Tezuka's Tesuwan Atomu, Pluto follows the Europol detective Gesicht as he tries to uncover the mystery behind a string of robot and human deaths. The case becomes much more puzzling when evidence leans toward the murders being the work of a robot, which is something that hasn't happened for 8 years.

(Source: ANN)

77%

3. Bokurano: Ours

Drama, Mecha, Psychological, Sci-Fi

During a summer camp, 15 children, 8 males and 7 females, find a grotto by the sea. Deep within they discover working computers and some electronic equipment, and later the owner, a man called Kokopelli. Kokopelli claimed to be a programmer working on a brand new game, in which a large robot has to defend the Earth against fifteen alien invasions. He persuades the children to test the game and sign a contract. All but one of them signs, barely a moment later they mysteriously awaken on the shore believing what happened was just a dream.

(Source: Anime News Network)

The extra story Bokurano: Mou Hitotsu no Bokurano (Yet Another Bokurano) ran after the completion of the main story.

73%

4. Alive: The Final Evolution

Adventure, Sci-Fi, Supernatural

A strange virus is making its way around the globe, causing its victims to commit suicide–and becoming a lethal pandemic in less than a week. Now a group of Tokyo teens who have survived the outbreak are wondering why they are still alive.

(Source: Kodansha Comics)

71%

5. Needless

Action, Sci-Fi

Year 2130 -- after the third world war, large contaminated areas known as "Blackspots" formed all over Japan. Large Walls were used to quarantine off these "Blackspots". In time, signs of inhabitance appeared within these wastelands. Among the survivors who had been abandoned inside the Blackspots, labeled as "those who were unneeded", came forth possessors of uncanny abilities -- Fire, wind, brute strength...they were defined by their supernatural abilities. Others, fearful of their powers, expelled them and named them --- Needless!

(Source: MU)

69%

6. Absolute Boyfriend

Comedy, Drama, Romance, Sci-Fi

Rejected way too many times by good-looking (and unattainable) guys, shy Riiko Izawa goes online and signs up for a free trial of a mysterious Nightly Lover "figure." The very next day a cute naked guy is delivered to her door, and he wants to be her boyfriend! Has Riiko died and gone to heaven? The cute guy turns out to be sweet, smart, a great cook, and lots more. And he looks like a million bucks, which is what he's going to cost Riiko if she doesn't return him in time...

(Source: Viz)

Included one-shots:
Volume 6: I Won't Let You Become a Star! and Aromatic Boy

61%

7. Mikai no Hoshi

Drama, Psychological, Sci-Fi

From the author of Freesia comes a story of three childhood friends - Nicolo, Cookie and Naomi - who grew up in a sleepy backwater town on an uncivilized planet. They struggle to get by while holding on to their dreams of leaving town and finding a better life... but can their friendship endure the tests of time? Can it withstand invading armies, broken dreams, conflicting ambitions, divided loyalties, jealousy and even betrayal?

(Source: Omanga)

60%

8. Tetsuwan Birdy

Action, Comedy, Sci-Fi

A remake of Tetsuwan Birdy.

While pursuing a criminal, the pretty but reckless interplanetary police officer Birdy Cephon Altirra accidentally kills Tsutomu, an earthling high school student. To make amends, Birdy is forced to share her own body with Tsutomu's spirit so that he can continue his own life. At first, Tsutomu knows nothing about his situation but soon discovers that his body is starting to take certain actions without his mind ordering it. In times of action, Birdy takes full control of their shared body, transforming it back into her original female form.

(Source: MangaUpdates)

60%

9. Kakutoshi no Yume

Drama, Psychological, Sci-Fi

In his second collection of short stories, Mohiro Kitoh recounts the tragic fates of people living in a half-futuristic, half-fantasy city whose inexorable structural decay seems to be mirrored in its citizens’ hearts.

(Source: Kotonoha)

60%

10. C.A.T.

Action, Sci-Fi, Drama

The third World War is nearing. Each super power country is going through a communications war to prepare for it, a war to obtain the top profiles' information of enemy countries using the Russian's secret weapon BEAR, China's Hao Long, and the United State's Confidential Assasination Troop, a.k.a. CAT.

(Source: Wikipedia)

View More Sci-Fi Manga