One Week Friends

"One Week Friends" (一週間フレンズ。, Isshūkan Furenzu.) is a Japanese manga series created by Matcha Hazuki. It initially appeared as a one-shot manga in the September 2011 issue of "Gangan Joker" magazine before being serialized in the same magazine from January 2012 to January 2015. The story revolves around high school student Yuki Hase's attempts to befriend his classmate Kaori Fujimiya, who is always alone due to losing all memories of her friends every Monday. Despite this, Yuki strives to build a friendship with her every week. The manga has been adapted into a television anime, produced by Brain's Base, which aired from April to June 2014. A live-action film adaptation was also released in Japan in February 2017. The series explores the complexities of friendship, memory, and relationships, and is known for its gentle emotions and delicate portrayals. It focuses on Yuki's continuous efforts to befriend Kaori and the deep emotional bond that gradually develops between them. The work has garnered significant popularity and has a broad fanbase.