The movie starts off after the events of Episode 3, when Kisaragi had sunk. The Mikawa Fleet (Furutaka, Aoba, Kako, Kinugasa and Tenryuu) are in the middle of Night Battle. Choukai uses Searchlight and gets medium damage, but they win in the end. A New Fleet Girl gets "dropped", emerging from the sea. It is Kisaragi. Kisaragi is brought back to the temporary base in Solomon Islands, but she is suffering from PTSD and has amnesia, unable to remember anyone from back in the anime, excluding Mutsuki... (Source: Wikipedia)

Jarinko Chie is a movie directed by Takahata in 1981. Based on the very popular manga by Etsumi HARUKI, it is about ten year old Chie, "the most unfortunate girl in Japan", who manages her family diner while her unemployed yakuza father and her mother are separated. This sounds really depressing, but it's actually a very funny comedy. The story is set in Osaka, which has a totally different culture from Tokyo. After the success of the movie, a TV series was made, and Takahata worked as the chief director. (Source: nausicaa.net)

Jarinko Chie is a movie directed by Takahata in 1981. Based on the very popular manga by Etsumi HARUKI, it is about ten year old Chie, "the most unfortunate girl in Japan," who manages her family diner while her unemployed yakuza father and her mother are separated. This sounds really depressing, but it's actually a very funny comedy. The story is set in Osaka, which has a totally different culture from Tokyo. After the success of the movie, a TV series was made, and Takahata worked as the chief director. (Source: nausicaa.net)

An adaptation of the first series, with different characters and an alternate setting.