One Week Friends, a Japanese manga series written and illustrated Matcha Hazuki, began as a one-shot manga by Matcha Hazuki and was first published in Gangan Joker's September 2011 issue. A full serialization later followed in Square Enix's Gangan Joker from January 21, 2012.[1] After spanning three years, the series came to an end in the February 2015 issue of Gangan Joker which was published in Japan on January 22, 2015.[2] Despite the end of the serialization, a special chapter will later be included in the magazine's May 2015 issue when it is published on April 22, 2015.[3] The chapters was collected into a total of seven tankōbon volumes, the first of which was released on June 22, 2012.[4] The final volume was released on April 22, 2015.[5][6][7] During their Sakura-Con 2017 panel, Yen Press announced their license to the manga.[8]
On March 22, 2021, the April 2021 issue of Gangan Joker revealed that a sequel manga titled Sonogo no Isshūkan Friends would begin serialization in the next issue.[9]