Root Letter was first released in Japan for PlayStation Vita by Kadokawa Games.
Root Letter was localized and released in North America and Europe for PlayStation Vita.
An enhanced version titled Root Letter: Last Answer was released for PlayStation 4 and PC, featuring additional content and full voice acting.
A live-action movie adaptation of Root Letter was announced, expanding the franchise beyond gaming.
A mobile adaptation of Root Letter was launched for iOS and Android platforms.
Aya Fumino mysteriously disappears after graduating from high school, leaving a series of unsent letters behind.
Fifteen years later, the protagonist receives the final letter from Aya, reigniting the investigation into her disappearance.
The protagonist returns to Shimane Prefecture to search for answers and reconnect with Aya's classmates and acquaintances.
The protagonist interviews Aya's former classmates and people who knew her to piece together her last days.
The protagonist discovers Aya's diary that provides crucial insights into her thoughts and possible reasons for her disappearance.
Local police reveal conflicting information about Aya's case, complicating the investigation.
The protagonist uncovers the truth about what happened to Aya Fumino, resolving long-held mysteries.
