Aoki Hagane no Arpeggio: Ars Nova

Arpeggio of Blue Steel -Ars Nova-

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Alternative Titles

Synonyms: Aoki Hagane no Arpeggio: Ars Nova
Japanese: 蒼き鋼のアルペジオ ‐アルス・ノヴァ‐
English: Arpeggio of Blue Steel -Ars Nova-
German: Arpeggio of Blue Steel: Ars Nova
More titles


Type: TV
Episodes: 12
Status: Finished Airing
Aired: Oct 8, 2013 to Dec 24, 2013
Premiered: Fall 2013
Broadcast: Tuesdays at 02:55 (JST)
Source: Manga
Genres: ActionAction, Sci-FiSci-Fi
Demographic: SeinenSeinen
Duration: 24 min. per ep.
Rating: PG-13 - Teens 13 or older


Score: 7.371 (scored by 6618766,187 users)
1 indicates a weighted score.
Ranked: #21362
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #1330
Members: 141,834
Favorites: 899

External Links

Streaming Platforms

Ranked #2136Popularity #1330Members 141,834
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Episodes: /12
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In the year 2039, the drastic effects of global warming have caused sea levels to rise, resulting in major loss of land. To ensure humanity learns its lesson, a fleet of powerful warships equipped with advanced weaponry emerges, causing overwhelming defeat for naval forces throughout the world. Calling themselves the Fleet of Fog, each ship has a "Mental Model," a humanoid avatar which represents the ship's heart, its "Union Core." Each model has a different personality but all follow an unknown authority known as the Admiralty Code, who have implemented a blockade to prevent humans from traveling across the sea.

Seventeen years after the blockade, Gunzou Chihaya, a National Marine Academy alumnus, stumbles upon I-401 and its Mental Model, Iona, who sides with mankind for unknown reasons. Utilizing this newfound hope of achieving peace for humanity, Gunzou and his friends form a group of privateers, known as the Blue Steel, as they set out on a dangerous journey.

[Written by MAL Rewrite]


Episode 1 was previewed at a screening in Oosaka on September 21, 2013. Regular broadcasting began on October 8, 2013.

Episode Videos

Related Anime

Characters & Voice Actors


Fuchigami, Mai

Chihaya, Gunzou

Okitsu, Kazuyuki


Numakura, Manami




Yamamura, Hibiku


Uchiyama, Yumi


Fujita, Saki



Watanuki, Iori

Tsuda, Minami

Kita, Ryoukan

Ono, Atsushi


Iida, Satoki
Sound Director
Hashimoto, Hiroyuki
Episode Director, Storyboard


Opening Theme

Apple Music
Amazon Music
Youtube Music
"Savior of Song" by Nano feat. MY FIRST STORY

Ending Theme

1: "Savior of Song" by Nano feat. MY FIRST STORY (eps 1)
2: "Blue Field (ブルー・フィールド)" by Trident (Mai Fuchigami, Manami Numakura, and Hibiki Yamamura) (eps 2-4, 6-8)
3: "Innocent Blue" by Trident (Mai Fuchigami, Manami Numakura, and Hibiki Yamamura) (eps 5, 9, 11)
4: "Our Story" by nano (eps 12)

Dec 23, 2013
Stark700 (All reviews)
Before deciding if you should watch Aoki Hagane no Arpeggio: Ars Nova, you should probably ask yourself if military science fiction is your type of anime. Military science fiction often takes the idea of military but also fuses it with supernatural themes with flavors of science and artificial warfare. There are a lot of ideas that plays around with military sci-fi including alien invasions, mecha, or space wars. So what happens when you take a bunch of mental models that resembles the characteristics of female characters and puts them into total warfare? Simple. You get Arpeggio of Blue Steel: Arsa Nova.

The series itself is based read more
Dec 28, 2013
mahoganycow (All reviews)
In the year 2039, the combined naval forces of humanity suffer a crushing defeat at the hands of a military force with weapons technology that far surpasses their own. The fearsome assailants? A group of heavy warships, termed “The Fleet of Fog,” who are commanded by “mental models,” robot-like representations of the minds of the battleships that take the physical form of little girls dressed in frilly clothing. Fast-forward seventeen years, and one of these mental models, named Iona, approaches a human naval cadet named Gunzou out of the blue, offering herself (and, by extension, the advanced Fog submarine she represents) to Gunzou to command. read more
Jan 1, 2014
Zee530 (All reviews)
On the surface Arpeggio has a few detractors but if you allow people to finish airing their subjective complaints about how CG never blends well with anime, the harem genre is overused and how they don’t want to be made to remember complicated words like Super gravity Cannon and Klein’s field, you’ll find that Arpeggio has a decent story, a setting with rich possibilities heavily untapped by the anime world, interesting characters and an all but obvious moral lesson at the end.

For 7 years the Fleet of Fog, an armada of highly advance naval vessels have taken over earthly waters, with every attempt to reclaim read more
Oct 29, 2013
lemski07 (All reviews)
Story 8
This anime is about 20 to 30 years into the future where the oceans and seas are impassable because of the ghost fleet that are terrorizing it which consist of pretty girls that controls there each is her own ship that are in a fleet that have access to unparallelled technology which consist of very gigantic guns, array of missiles, powerful laser turrets. and one of the previous captains son got on hold a very powerful sub which originated from the ghost fleet.

art 9
the art is fantastic for under/above water naval battles, it sometimes in cg, specially the pretty battleships and u-boats

sound 8
what read more

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