High school student Jinta is a hikikomori and lives in Chichibu, Saitama Prefecture, Japan. One summer day, when Jinta is absorbed in a video game, a girl suddenly appears in front of him. The girl is Jinta's childhood friend Meiko, but it seems impossible because Meiko died on a summer day. She tells Jinta that she has a wish and that's why she came back as a ghost, but Meiko can't remember what her wish was.
Jinta "Jintan" Yadomi: Nijiro Murakami
Meiko "Menma" Honma: Minami Hamabe
Naruko "Anaru" Anjou: Airi Matsui
Atsumu "Yukiatsu" Matsuyuki: Jun Shison
Chiriko "Tsuruko" Tsurumi: Marie Iitoyo
Tetsudō "Poppo" Hisakawa: Yuuta Takahata
- It released just two days after the theatrical release of the same production team's new film Kokoro ga Sakebitagatterun Da (Anthem of the Heart).
- Galileo Galilei contributed their "Aoi Shiori" (Blue Bookmark) song as the movie's opening theme. The song also served as the original 2011 anime's opening theme song.