List of One Week Friends episodes

One Week Friends
Cover of the third Blu-ray volume released by Square Enix in Japan on August 20, 2014, featuring (left to right) Kaori Fujimiya, Saki Yamagishi, Yuki Hase and Shogo Kiryu.
Country of origin	Japan
No. of episodes	12
Release
Original network	Tokyo MX
Original release	April 6 – June 22, 2014

One Week Friends is a 2014 romantic comedy Japanese anime series based on the manga series written by Matcha Hazuki and serialized in Square Enix's Gangan Joker magazine. One day, high school sophomore Yuki Hase happens to notice that his classmate, Kaori Fujimiya always seems to spend much of her time all by herself. Mustering up his courage, Yuki approaches Kaori and attempts to befriend her which she reluctantly allows. However, after the pair share many meaningful and fun conversations, Kaori denies her friendship with Yuki, stating that she loses the memories of any friends she makes each week. Despite this, the story follows Yuki and his determination to become Kaori's friend over and over again as the weeks go by.

The anime is produced by Brain's Base and directed by Tarou Iwasaki, with script writing by Shôtarô Suga, character designs by Eri Yamazaki and soundtrack music by Nobuko Toda. The series premiered on Tokyo MX on April 6, 2014 and ran for twelve episodes until June 22, 2014, with later airings on MBS, TVA, AT-X and BS11. The series was picked up by Crunchyroll for online simulcast streaming in North America and other select parts of the world.Square Enix began releasing the series in Japan on Blu-ray and DVD volumes starting on June 18, 2014. The anime was licensed by Sentai Filmworks for distribution via select digital outlets and a home media release in North America. This was followed by its acquisition by Madman Entertainment for Australian distribution.

The opening theme is "Niji no Kakera" (虹のかけら^?, lit. "A Piece of the Rainbow") by Natsumi Kon. The ending theme is a cover of Sukima Switch's 2004 single, "Kanade" (奏(かなで)^?, lit. Melody) by Kaori Fujimiya (Sora Amamiya).