One Week Friends Timeline ( Real )

manga_publication
January 25, 2012

Publication of 'One Week Friends' Manga

The 'One Week Friends' manga series, written by Matcha Hazuki, began its serialization in the online manga magazine Gangan Online.

manga_publication
August 22, 2015

Conclusion of 'One Week Friends' Manga

The manga series 'One Week Friends' concluded its serialization with a total of 52 chapters compiled into 7 volumes.

anime_release
April 6, 2014

Release of 'One Week Friends' Anime TV Series

The anime adaptation of 'One Week Friends', produced by Brain's Base, premiered on TV Tokyo, bringing the story to a wider audience.

film_release
March 18, 2017

Premiere of 'One Week Friends' Live-Action Film

A live-action film adaptation of 'One Week Friends' was released in Japan, starring Haruna Kawaguchi and Kento Yamazaki.

One Week Friends Timeline ( Fictional )

friendship_initiation
Start of School Year

First Meeting between Yuki and Kaori

Yuki Hase meets Kaori Fujimiya for the first time and decides to become her friend despite her memory loss.

revelation
One week after first meeting

Yuki Learns About Kaori's Memory Condition

Yuki discovers that Kaori loses memories of her friends every week and resets her relationships.

relationship_development
Second week after first meeting

Yuki Writes First Note to Kaori

Yuki writes a note to Kaori as a way to remind her about their friendship each week.

group_activities
Within first month of school

Club Activities Begin

Yuki and Kaori along with other classmates join the Tea Club and start spending more time together.

romantic_development
Mid school year

Yuki Confesses His Feelings

Yuki confesses his romantic feelings for Kaori, deepening their bond.

character_backstory
Late in the school year

Kaori Opens Up About Her Past

Kaori reveals details about her family and why she developed the memory issue.

plot_twist
Near the end of the school year

Kaori's Memory Improves Temporarily

Kaori experiences a period where her memory of friends stays intact longer than usual.

special_event
End of school year

Yuki and Kaori Spend a Weekend Together

Yuki and Kaori go on a weekend trip to create new memories together.

resolution
Graduation day

Promise to Keep Being Friends

The friends promise to keep supporting each other regardless of Kaori's memory condition.