16 Underrated Action Anime Series To Watch Right Now!

The 16 Underrated and Unpopular Action Anime Series

Welcome to this list of the most Underrated Action Anime Series, that are overlooked and maybe you didn’t ever heard about!

this list is made because its obvious that all anime fans watch every single popular/famous/well-ranked anime series!

But, keep in mind that not all unknown underrated anime series are buried due to their bad setting, animation, not good or not well-made.

Because, the truth is that sometimes, they just airs in an inaccurate time, as they comes out in a season full of the big titles, or simply been released without no pre-promotions, or teasers.

So, here we are! looking and giving you the 16 underrated action anime series that we think they should gets your attention!

16. BlazBlue: Alter Memory

Episodes: 12
Genres: Action, Fantasy, Shounen
Studio: Bones

Lets start our underrated top list with this action fantasy anime that i think it’s a shame that it didnt got much attention from anime fans.

Blazblue is originally a Japanese fighting video game that gets an anime adaptation which its story is set in December of 2199, when the roads are full of people waiting for the end of the year and the beginning of a new one.

During the celebrations, word spreads that Ragna the Bloodedge, an SS-class rebel with the highest ever bounty on his head, has appeared in the 13th Hierarchical City of Kagutsuchi.

Hence, The obvious goal of Ragna is to demolish the system controlling the world.

Therefore, To Stop ragna and pile the bounty up, a diverse group of unrivaled fighters meets up at the city of Kagutsuchi.

15. Aoki Hagane no Arpeggio: Ars Nova

Episodes: 12
Genres: Action, Sci-Fi, Seinen
Studios: SANZIGEN

Coming at no. 9 is Aoki Hagane no Arpeggio, another underrated good anime to watch, which i think you probably thank me later for such a recommendation.

The story is set in 2039, where the rise in the average temperature of the Earth had caused sea levels to rise and multiple territories to vanish.

so to make the matter worse, a mysterious group of warships are placed in every corner of the ocean, and starts attacking human ships.

Despite the struggle of humans in confronting the Mist’s overwhelming force.

All of humanity’s trade routes were blockaded, and the economy was destroyed, and the human race was steadily beaten down.

Hence, Seven years later, a Humanoid called Gunzo Chihaya will appears and offers his service to help mankind instead of being an ally to the the Fleet of Mist’s submarine.

14. Asura Cryin’

Episodes: 26 / Two Seasons
Genres: Action, Mecha, Supernatural
Studio: Seven Arcs

The Story of this underrated anime series follows the story of Natsume Tomoharu, a normal high-school student but with one exception:

He’s being followed by the ghost of his best friend, Misao!

Tomoharu Moves into his brother’s old house, expecting that he will continue living his normal life.

But, one day he stumbles upon a mysterious and locked bag without any instruction.

At first he just wanted to leave it in storage; nevertheless, his home is soon invaded by various groups of people looking for the bag.

Although, he don’t really know the purpose or the value of the bag, Tomoharu and Misao try to run away with it.

Hence, From there on, Tomoharu seek to uncover the mysteries behind the bag, the link between it and Misao, and why it has the power to change the world.

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13. Akiba’s Trip The Animation

Episodes: 13
Genres: Action, Adventure, Ecchi, Supernatural
Studio: Gonzo

Here is Another great yet underrated anime series that depicts the story of Tamotsu and Niwaka Denkigai, who are doing their shopping in Akihabara when it is overrun by vampiric cosplaying monsters!

These creatures, known as “Bugged Ones,” can possess anyone they bite and soon they begin causing mayhem across the city.

So, As Tamotsu finds himself facing one of these creatures, he is saved by the mysterious baseball bat-wielding Matome Mayonaka.

Hence, Together, they will face so many encounters with the Bugged Ones, but before long, Tamotsu is fatally wounded protecting Matome.

With no other choice, she resurrect him as a high level Bugged One—just like her!

12. Air Gear

Episodes: 25
Genres: Action, Comedy, Ecchi, Shounen, Sports
Studios: Toei Animation

Air Gear is One of my favorite underrated anime of all time, it really worth watching as soon as you finish reading this list.

The Story focus on Minami Itsuki, who never thought about seriously riding Air Treck motorized roller blades, until he got his butt handed to him by a street gang of Storm Riders.

That day, In a locked up room, He stumble supon a pair of AT’s and a box of stickers belonging to the Sleeping Forest street gang.

from that time on, One thing leads to another, and Ikki learn the wheels, failure and success.

Tha anime is set in a world that does change and humans that does not change.

At a time where reality and fantasy are crossing, the rendezvous of these two make the gears of fate move!

11. A.I.C.O.: Incarnation

Episodes: 12
Studios: Bones
Genres: Action, Sci-Fi

Aiko Tachibana is going under usual medical surveillance after her life being saved from the Matter.

All what she is doing now is spending her days while waiting for her return to health by making paper planes.

Later, a transfer student Yuuya Kanzaki arives and he will disturbe aiko’s life by starting to point out a number of inconsistencies regarding her body.

Why is she never injured, and why does she suddenly no longer need her wheelchair?

He claims that there is more to her existence than she has been led to believe, and that she alone holds the key to ending The Burst.

With many factions now interested in Aiko, she and Yuuya must gather allies and embark on a dangerous adventure into the heart of the infested gorge before the net can close around them.

To escape the conspiracy moving against them, the pair must face off against the Matter—an enemy that flows like water.

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10. Atom: The Beginning

Episodes: 12
Studios: Production I.G, OLM, Signal.MD
Genres: Action, Sci-Fi, Mecha, Seinen

The Anime series is set in Japan in the near future, where the country suffers an enigmatic major disaster.

So, Five years later, reconstruction is well underway. and Two young researchers at a university are pinning all their hopes on robot development.

The series is a prequel to Astro Boy manga series, depicting the events up until the birth of the eternal hero Astro Boy.

9. Triage X

Episodes: 10
Studios: Xebec
Genres: Action, Adventure, Ecchi, Shounen

Ready for some mingled action/adventure anime themes with a bunch of pretty sexy girls! here you are, Triage X is another underrated anime series that you must watch.

The Series follows Arashi Mikami who narrowly escapes death in a terrorist attack, but the sad thing is that he loses family, and best friend in the process.

However, the surgeon that saves his life, turns out to be not just an ordinary doctor, as he commands a strike team known as Black Label whose mission is to put an end to the deadly criminals who have fallen too far.

Hence, Filled with a new determination, Arashi joins the ranks of the vigilante team.

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8. Druaga no Tou

Episdoes: 24 / Two Seasons
Studios: Gonzo
Genres: Adventure, Comedy, Fantasy

In this Summer, Thanks to a divine protection all demons in the tower lose their power.

Hence, The country of Uruk starts an invasion of the tower in order to eliminate the demons.

The army knows that this is the chance to put an end to the monster Druaga once and for all.

Moreover,The army soldiers aren’t the only ones in the tower, as there are some other groups, each with a specific agenda.

So, how things will play out during this unusual summer.

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7. Peace Maker Kurogane

Episodes: 24
Studios: Gonzo
Genres: Action, Comedy, Historical, Samurai, Shounen

Ichimura want to be strong in order to quench his thirst of revenge caused by the murder of his parents.

To Do so he wants to joins the Shinsengumi.

However, Ichimura kindness make him unable to cut down whoever threatened peace and the Shinsengumi.

Hence, Being a Shinsenguli member, he is about to know the harsh reality of blood and pain that he must face.

6. Tiger & Bunny

Episodes:25
Studio:sunrise
Genres:Action, Mystery, Comedy, Super Power

There is so many anime which belong to Zero to Hero anime list and Tiger and Bunny is absolutely one of them.

This underrated action anime is set In Stern Bild City, where those with special abilities are called “NEXT,” and can use their powers for good or bad.

A unique organized group of NEXT appear regularly on Hero TV, where they chase down evildoers to bring limelight to their sponsors and earn Hero Points.

And also in the hopes of becoming the next “King of Heroes.”

Kotetsu T. Kaburagi, known as “Wild Tiger,” is a veteran hero whose performance has been dwindling as of late, partially due to his inability to cooperate with other heroes.

After a disappointing season in which most of the other heroes far outperformed Tiger, he is paired up with a brand new hero who identifies himself by his real name—Barnaby Brooks Jr.

Barnaby, nicknamed “Bunny” by his frivolous new partner, quickly makes it clear that the two could not be more different.

Though they mix as well as oil and water, Tiger and Bunny must learn to work together, both for the sake of their careers and to face the looming threats within Stern Bild.

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5. Arslan Senki

Episodes: 33 / Two Seasons
Studios: SANZIGEN, LIDENFILMS
Genres: Action, Adventure, Historical, Drama, Fantasy, Shounen

The story follows the exploits of Arslan, the crown prince of the fictional kingdom of Pars, and it is divided into two parts.

In the first part, after Arslan’s father, King Andragoras III, falls victim to a treacherous plot the neighboring nation of Lusitania took Pars

After barely escaping with his life, Arslan rejoins his loyal servant, Daryun.

However, only a few companions backed him up, including:

The philosopher and tactician Narsus and his young servant Elam.

Also Farangis, an aloof, cold priestess, and Give, a traveling musician and con-man.

Arslan stands against overwhelming odds to assemble an army strong enough to liberate his nation from the Lusitanian army.

“Silvermask”, is another contender to Pars’ throne.

In the second part, Arslan, as the king of Pars, is defending his country against several external threats and addressing the needs and hopes of his subjects.

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4. Nurarihyon No Mago

Episodes: 50 / Two Seasons
Studios: Studio Deen
Genres: Action, Demons, Shounen, Supernatural

Here is another great underrated action anime, Nurarihyon no Mago Focus on Rikuo Nura, who appears to be an average middle school student.

No one knows that he comes home every day to a house full of youkai, nor that he transforms into the all-powerful leader of these spirits at night.

However, much to the disappointment of many, Rikuo is determined to live as normal a life as possible.

3. The law of ueki

Episodes: 51
Studios: Studio Deen
Genres: Action, Adventure, Comedy, Super Power, Supernatural, Drama, Shounen

Kousuke Ueki gets chosen By a Celestial King to battle in a tournament.

Embodied with the power to turn garbage into trees, Kousuke will be joining in the battle against other students in this selection.

Hence, This Tournaments will make the students pit their powers against the rest, with a reward of the Blank Talent giving motive for students to win.

2. 91 Days

Episodes: 12
Genres: Action, Drama, Historical
Studios: Shuka

Coming at N.2 is 91 Days which its story is set During Prohibition, the law held no power and the mafia ruled the town.

In Lawless, a town thriving on black market sales of illicitly brewed liquor.

Avilio returns to Lawless after some time away, following the murder of his family in a mafia dispute there.

One day, Avilio receives a letter from a mysterious sender, prompting him to return to Lawless for revenge.

He then infiltrates the Vanetti family, the ones responsible for his family’s murder.

and sets about befriending the don’s son, Nero, to set his vengeance in motion.

Killing brings more killing, and revenge spawns more revenge.

So, How will the 91-day story of these men guided by a tragic fate end?

1. Darker Than BLack

Episodes: 37 / Two Seasons
Studios: Bones
Genres: Action, Sci-Fi, Mystery, Super Power

Oh my god not only underrated but also an overlooked tv show! that so many fans don’t ever know that such a masterpiece action anime even exists, i swear that when I’ve watched it i feel so sorry for darker than black as it can compete with the most popular anime of all time.

this anime series got a unique theme, epic fights, heartwarming relationships, and a badass and op mc.

the story begin when One night, as meteors streak across the star-studded sky, Shion Pavlichenko becomes a Contractor.

Despite her brother’s transformation, Shion’s twin sister Suou continues to live a fairly ordinary life, attending middle school with her friends and getting caught up in the awkwardness of growing up.

However, everything changes when her home is invaded by a masked man cloaked in black, destroying any sense of normality she once had.

Revealed to possess latent Contractor abilities of her own, Suou is caught between family, friends, and her own sense of purpose as she ventures into the ruthless world of cutthroats and espionage that Contractors call home.

Meanwhile in Tokyo, investigation surrounding Hell’s Gate’s sudden collapse is underway, and prophetic signs of doom point in the direction of a silver-haired doll.