The 'One Week Friends' manga series, written by Matcha Hazuki, began its serialization in the online manga magazine Gangan Online.
The manga series 'One Week Friends' concluded its serialization with a total of 52 chapters compiled into 7 volumes.
The anime adaptation of 'One Week Friends', produced by Brain's Base, premiered on TV Tokyo, bringing the story to a wider audience.
A live-action film adaptation of 'One Week Friends' was released in Japan, starring Haruna Kawaguchi and Kento Yamazaki.
Yuki Hase meets Kaori Fujimiya for the first time and decides to become her friend despite her memory loss.
Yuki discovers that Kaori loses memories of her friends every week and resets her relationships.
Yuki writes a note to Kaori as a way to remind her about their friendship each week.
Yuki and Kaori along with other classmates join the Tea Club and start spending more time together.
Yuki confesses his romantic feelings for Kaori, deepening their bond.
Kaori reveals details about her family and why she developed the memory issue.
Kaori experiences a period where her memory of friends stays intact longer than usual.
Yuki and Kaori go on a weekend trip to create new memories together.
The friends promise to keep supporting each other regardless of Kaori's memory condition.