High School Fleet(ハイスクール・フリート,Haisukūru Furīto), also known as Haifuri(はいふり) before the first episode, is a Japaneseanime television series produced by Production IMS. Yuu Nobuta is directing the anime and Reiko Yoshida is handling series composition, with character designs by Naoto Nakamura and original character designs by Atto. The series aired in Japan between April and June 2016. A manga adaptation illustrated by Kanari Abe began serialization in Media Factory's seinen manga magazine Monthly Comic Alive's December 2015 issue released on October 27, 2015.
The story follows a girl named Akeno Misaki who enrolls at Yokosuka Girls' Marine High School (横須賀女子海洋学校,Yokosuka Joshi Kaiyō Gakkō) in Yokosuka, Kanagawa in order to become one of the highly regarded Blue Mermaids. As Akeno and her classmates set off aboard the destroyer ship Harekaze(晴風), an incident with their instructor suddenly leads them to be accused of mutiny. Thus, Akeno must lead her crewmates in sailing the Harekaze as they try to find the truth about what's happening while also avoiding pursuit.
Bridge
Akeno Misaki (岬 明乃,Misaki Akeno) / Mike (ミケちゃん,Mike-chan)
Voiced by: Shiina NatsukawaThe main heroine and captain of the Harekaze, who treats her crew as family. While not particularly bright or talented, she is good at remembering people's names and shows good judgement under pressure. She is also known to have a fear of lightning because of her past that caused her parents to go missing on a cruise during a storm.
Voiced by: LynnThe deputy captain of the Harekaze and wishes to follow her mother and sisters' footsteps as a Blue Mermaid. She constantly bemoans her bad luck and seems to have ailurophobia, but later overcomes it upon taking ownership of a cat after rescuing it from a stranded ship that had its original owners on it. She also likes stuffed animals and she places them in her cabin.
Voiced by: Nozomi FurukiThe artillery officer of the Harekaze. She is usually quiet, speaks in bursts and likes curry, but her gunning skills are to a extent where her shots that she calculate are mostly accurate and spot on.
Mei Irizaki (西崎 芽依,Irizaki Mei) / Mei (メイちゃん,Mei-chan)
Voiced by: Atsumi TanezakiThe torpedo officer of the Harekaze. She enjoys battle where she is eager to fire the weapons onboard with her skills on enemy vessels.
Voiced by: Yūko KuroseSecretary of the Harekaze, who tends to speak her mind in a dramatic way, including theories and what other maybe thinking. She feels that fiction is more real than non-fiction and often lets her tongue and imagination get out of hand. She always gets information out of the tablet she carries whenever they are in a battle and relates to the bridge crew.
Rin Shiretoko (知床 鈴,Shiretoko Rin) / Rin (リンちゃん,Rin-chan)
Voiced by: Yurika KuboThe Chief Navigator of the Harekaze. She is easily scared, and always wanting to run away whenever battle draws near, but never does so and uses her abilities to steer the ship to a extent where the crew recognizes her own efforts.
Voiced by: Natsumi TakamoriChief of engineering of the Harekaze. She's the shortest among her staff.
Hiromi Kuroki (黒木 洋美,Kuroki Hiromi) / Kuro (クロちゃん,Kuro-chan)
Voiced by: Natsuki AikawaAssistant engineer of the Harekaze and Maron's best friend. She's one of the more mature looking members of the crew. She's quite skilled in sumo wrestling.
Voiced by: Hiyori NittaAn engineering officer assigned to check for ship damage and supplies. She wears biker shorts and a jacket and sports a ponytail on her right side.
Voiced by: Kana AsumiThe medic of the Harekaze. Known as the first genius graduating from the Marine medical university, she is on board to complete her sea training. Her investigation on the virus-carrying creature that infected the Chief artillery officer and causing the other ships to go astray led her to develop an antibody to solve the virus problem. She usually gives Akeno advice and likes to say Chinese proverbs and idioms.
Others
Moeka China (知名 もえか,China Moeka) / Moka (もかちゃん,Moka-chan)
Voiced by: Hiromi IgarashiA student of Wilhelmshaven High School and deputy captain of the German cruiser Admiral Graf Spee. She is rescued by Akeno after she fled from her ship and joins her on the Harekaze but the real reason was that her captain ordered her to escape in order not to fall victim to the virus infection that spread to the whole ship. An expert on anti-submarine warfare, she later becomes Mashiro's roommate and an assistant to the bridge crew in their journey.
Kaoru Furushou (古庄 薫,Furushō Kaoru)
Voiced by: Megumi ToyoguchiThe captain of the Sarushima who teaches the students of the Harekaze. At the start of sea training, she attacked them but is unable to remember why after coming to her senses. It was later found out that it was due to a virus-infected rodent-like creature.
Mayuki Munetani (宗谷 真雪,Munetani Mayuki)
Voiced by: Yūko KaidaThe principal of Naval Academy and Mashiro's mother.
Mashimo Munetani (宗谷 真霜,Munetani Mashimo)
Voiced by: Mai NakaharaMashiro's older sister and a member of the Blue Mermaids.
Isoroku (五十六)
Voiced by: Satoshi TsuruokaA cat who lives on the Harekaze's bridge. He is seemingly immune to the effects of the virus, therefore handling infected rodent-like creatures without problems.
Anime
The anime series, produced by Production IMS, aired in Japan between April 9, 2016 and June 25, 2016 and was simulcast by Crunchyroll, Daisuki.net, and Funimation. The series is being directed by Yuu Nobuta and written by Reiko Yoshida, with original character designs by Atto and character designs by Naoto Nakamura. The opening theme is "High Free Spirits" by TrySail while the ending theme is "Ripple Effect" by Luna Haruna. A character song single titled "Watashitachi Kinenbi" (わたしたち記念日, "Our Anniversary") was released on April 6, 2016. The series is licensed in North America by Aniplex of America. The anime has been licensed in the UK by Anime Limited. An OVA project for 2017 has been announced. The 2-Part OVA will be released between March 31, 2017 and May 24, 2017.