, known as for short, is a 2015 Japanese anime television series produced by Diomedéa, based on the game of the same name by Kadokawa Games. The series was announced in September 2013, and aired from January to March 2015. An animated film, titled , was released on November 26, 2016.

A second installment titled by ENGI aired from November 2022 to March 2023. The stories of the first and second anime are not connected and are separate works, not being set in the same universe and timeline.

Plot In a world where humanity faces the threat of the abyssal fleet which has taken over the seas, special human girls who don weaponized outfits and possess the spirit of historical naval vessels known as are the only ones capable of countering them. The kanmusu live together at a naval base, where they spend their everyday lives as they begin training for battle.

1st anime The series features the destroyer Fubuki as the main character, with the storyline based on her point of view.2013-12-10. Newtype, January 2014 issue. Kadokawa Shoten. ASIN B00GUP6QU2. Fubuki arrives at the naval base, where she meets other girls that she will eventually fight alongside. Despite lacking adequate combat training, she is recommended into the Third Torpedo Squadron by the admiral, and quickly finds herself sortied into battle. Upon being rescued by Akagi in a dangerous situation, Fubuki strives to do her best in order to train, with the hopes of eventually being able to fight alongside Akagi.

Film

The film follows the development of the 1st anime, keeping the main cast with some new additions. Kisaragi plays here a more prominent role, and the movie also introduces another element from the game, a "Dark Portal".

2nd anime In the second anime, the series shifted its spotlight to Shiratsuyu-class destroyer Shigure, with the storyline being loosely based on the final two years of the Pacific War. As the Abyssal Fleet encroaches on Leyte Gulf, Shigure, along with a few other kanmusu, are assigned to the First Striking Force, Third Section, which serves as a diversionary fleet. Even if the mission is going to be suicidal, Shigure refuses to let the enemy take another comrade from her.

Characters

Characters (1st anime) Destroyers (1st anime)

A newcomer destroyer to the naval base, and assigned to the , Fubuki is the main protagonist of the first installment of the series. Meek and timid, at the beginning of the series she has no combat experience prior to transferring to the base, and performs poorly at physical activity. She is assigned temporarily to the during the Battle of Southwest Area, before being transferred to the during Operation MO and Operation FS, where she earns the respect of her peers, who choose her as their Flagship. Having a deep admiration for Akagi, she dreams of eventually becoming her escort, eventually doing so following her first remodel.

One of the members of the Third Torpedo Squadron. The first kanmusu Fubuki meets on the base, Mutsuki has a cheerful and responsible personality. She is later transferred to the with Mogami during Operation FS.

Another destroyer of the Third Torpedo Squadron, alongside Fubuki and Mutsuki, who has a laid back attitude. She has a verbal tic as she speaks, often inserting into her sentences (a reference to her uncertain actions during the Battle of Guadalcanal). She is later transferred to Naka's fleet during Operation FS, before getting a second remodel and being transferred again to the (consisting of Akagi).

Another destroyer who is instead assigned to the during the Battle of W island. She has a mature personality, even more mature than her older sister Mutsuki. She is sunk during the Battle of W island. ,

Two destroyers whom Fubuki and Mutsuki met during the briefing session of the W Island raid. Mochizuki is quite a sleepyhead, while Yayoi is rather emotionless. Both are later assigned to the Fourth Torpedo Squadron during the Battle of W island. , , ,

Four destroyers belonging to the and assigned to the (Akatsuki and Hibiki) and the First Carrier Task Force (Ikazuchi and Inazuma) during the Battle of the Sea in Front of the Naval Base. Akatsuki considers herself an adult lady, while Hibiki tends to speak Russian frequently, rarely saying anything but "хорошо" (Khorosho, "Very well" in Russian), Ikazuchi has a very caring and confident personality, and Inazuma is a timid girl. Akatsuki and Ikazuchi do not get along very well, as they constantly argue about whatever went wrong, such as Inazuma using a flamethrower to boil their curry faster only to end up burning the entire pot, making Inazuma cry and blame herself for the failure.

A destroyer who claims herself to be the fastest in the whole fleet, and indeed is. She is assigned to the Southwest Area Fleet during the Battle of Southwest Area. She has a hyperactive personality and tends to jump around rooms like a rabbit while waiting, to the point of forgetting what her next mission is.

Aircraft carriers (1st anime)

An aircraft carrier belonging to the and assigned to the First Carrier Task Force. Akagi engages enemy ships by firing arrows with her bow, which transform into aircraft piloted by fairies. Due to her past combat history, she is held in high esteem throughout the base. Her massive appetite is only outdone by Yamato-class battleships.

An aircraft carrier of the First Carrier Division and assigned to the First Carrier Task Force during the Battle of the Sea in Front of the Naval Base, who frequently accompanies Akagi. She dislikes Shōkaku and Zuikaku of the , and does not feel confident giving orders to any kanmusu not of her class. She especially refuses to follow orders from Zuikaku, considering the girl's command to be misguided, but will praise them as hard working girls. She appears distant but seems to have a soft spot for Akagi. She is later assigned to the Fifth Mobile Fleet during Operation MO and Operation FS. ,

Two aircraft carriers of the Second Carrier Division assigned to the First Carrier Task Force during the Battle of the Sea in Front of the Naval Base.

An aircraft carrier of the Fifth Carrier Division and assigned to the Fourth Fleet during the Battle of the Sea in Front of the Naval Base. She advised her sister Zuikaku to avoid arguing with the experienced Kaga, but she seems to have satirized Kaga and the First Carrier Division potentially as escorts.

Another aircraft carrier of the Fifth Carrier Division assigned to the Fifth Mobile Fleet during Operation MO and Operation FS. Just like Kaga who dislikes the Fifth Carrier Division, Zuikaku also dislikes the First Carrier Division, although Fubuki later helps Zuikaku ease her relationship with Kaga.

An aircraft carrier who was last seen as an observer of Operation MI, though she appears as an obscure silhouette. She finally made her full appearance in the last phase of Operation MI as a reinforcement, finishing off the remaining Abyssal ships. Unlike the other carriers, she uses a repeating crossbow to launch her planes.

Light aircraft carriers (1st anime)

A light aircraft carrier of another naval base. During Operation MO, She is assigned to the along with Aoba, Furutaka, Kako and Kinugasa, is sortied along with the of Tenryū and Tatsuta, but she is badly damaged by the air raid of enemy aircraft carriers. ,

Two seaplane carriers briefly appearing in a reconnaissance before Operation MI.

Battleships/Battlecruisers (1st anime) , , ,

These four battlecruisers are assigned to the Second Support Fleet (Kongō and Hiei) and the Fourth Fleet (Haruna and Kirishima) during the Battle of the Sea in Front of the Naval Base. During the Battle of W island, they operated together as members of the , and later as part of the Southwest Area Fleet during the Battle of Southwest Area. These four kanmusu have different personalities, but are all generally airheaded and excitable, to Mutsu's amusement and Fubuki's chagrin. Kongō is cheerful and has a habit of mixing English words into her speech, reflecting the fact that the ship whose spirit she represents was built in Britain. Hiei has an elder sister complex towards Kongō, right down to being jealous whenever she is ignored. Haruna is humble and speaks in third person, while Kirishima has a habit of testing microphones. During Operation MO and Operation FS Kongō is transferred to the Fifth Mobile Fleet, where she operates separate from her sister ships. ,

Two battleships who take on a command role from within the communications room of the naval base, relaying orders from the admiral to the fleets. Nagato does most of the commanding, while Mutsu acts as an assistant. Nagato is the serious and no-nonsense voice of authority but has a soft spot for cute animals and acts gruff to conceal her softer side, while Mutsu is more demure and seductive.

The most powerful battleship ever built, she is the navy's trump card and her existence has been kept a secret. She runs a forward base in Truk Lagoon during Operation FS. However, due to her need for large quantities of food and supplies, she has limited experience at sea. Historically, her living conditions were luxurious hence her nickname "Hotel Yamato", a moniker she dislikes.

Heavy cruisers (1st anime)

A heavy cruiser who works as a teacher at the naval base's school. She is very strict for a teacher in that she even punished Yūdachi by giving the latter more homework after school, staying true to her nickname of "The Hungry Wolf". She is also considered a failure at getting dates with men. ,

Two heavy cruisers who, like Ashigara, also work as teachers at the naval base's school. Nachi has a serious personality, while Haguro is a timid girl.

Another heavy cruiser whom Fubuki met when preparing for the raid on W Island. Her personality mirrors Atago, in that she is the more responsible of the two.

A heavy cruiser assigned to the Fourth Fleet during the Battle of the Sea in Front of the Naval Base, whom Fubuki ran into while the latter was searching for Akagi in the dorm's hot springs. However, due to a misunderstanding, she let Fubuki dock in the hot springs, thinking that the latter is severely damaged.

An aviation cruiser assigned to the Second Support Fleet during the Battle of the Sea in Front of the Naval Base and later the Fourth Fleet during Operation FS along with Mutsuki. ,

Two heavy cruisers who, like the Myōkō sisters, work as teachers at the naval base's school. Tone teaches running in the destroyer class, and both she and Chikuma supervise Fubuki's training. ,

Two heavy cruisers who appeared in the movie. They have different personalities. Furutaka takes her pride as a heavy cruiser seriously, while Kako is a sleepyhead.

A heavy cruiser who appears in the movie. She is last seen observing Kitakami and Ōi sharing their moments together at the Naval Base's park much to her dismay in the official trailer.

Light cruisers (1st anime)

,

Two light cruisers assigned to the Fourth Fleet during the Battle of the Sea in Front of the Naval Base and later the Fourth Torpedo Squadron during the Battle of W island. Both of them have their own verbal tic as they speak, with Kuma often inserting "kuma" into her sentences, while Tama has "nya". ,

Two Kuma-class cruisers rebuilt into torpedo cruisers. They are always seen together due to Kitakami being the object of obsession for Ōi, who is wary of anyone who touches or talks with Kitakami, dealing with them in a quite rude and furious attitude. They are now a part of the Fifth Mobile Fleet during Operation MO and Operation FS. Ōi said that they are not light cruisers, and they call themselves Torpedo Cruisers. In Truk Lagoon, Ōi is also shown to have a fear of snakes.