Haruyoshi Nomura

The film tells the story of interweaving friendships between three children and yo-kai. The film is set in 1960s Tokyo, in Sakura Motomachi. A boy named Shin lives a poor but happy life. When his mother — his only family member — dies, Shin's unhappiness hits rock bottom. That is when another boy named Itsuki saves Shin. Itsuki has also lost his older sister. Shin, Itsuki, and a young girl named Tae who can see yo-kai all become friends. Shin's guardian spirit Suu-san, a "Nekomata" cat, and other new yo-kai join their group, and this group is able to regain what it means to have a precious family. This new family must now face a mysterious incident, and a shocking reality awaits them.

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...