The original visual novel YU-NO: A Girl Who Chants Love at the Bound of This World was released in Japan for the NEC PC-98 computer.
A port of YU-NO was released for the PlayStation console, introducing the game to a wider audience.
An English fan translation patch for the original YU-NO PC-98 version was completed and released, making the game accessible to English-speaking players.
Eternal, the original developer, announced a full remake of YU-NO for modern platforms including PlayStation 4 and PC.
The full remake of YU-NO: A Girl Who Chants Love at the Bound of This World was released on PlayStation 4 and PC with updated graphics, voice acting, and new features.
The 2017 remake was officially localized and released in English for PlayStation 4 and PC, introducing the game globally.
The parallel world is created due to an ancient experiment and temporal manipulation that allows travel between different timelines.
Ayumi, the magical girl loved by many, dies in a mysterious incident that deeply affects the core timeline.
The protagonist, Takuya Arima, is given the Reflector Device, enabling him to travel between parallel worlds and timelines.
Takuya begins investigating the disappearance of his father, leading him into the complex multi-world mystery.
Takuya uncovers the existence of multiple parallel worlds, learning the rules and purposes behind timeline travel.
Takuya confronts Aya Kozue, a critical character intertwined with the parallel worlds and key to unlocking the mystery.
Takuya discovers the ancient mechanisms controlling time and the World Tree's role in maintaining the multi-dimensional balance.
Takuya resolves the crisis that threatens the different parallel worlds, determining the ultimate fate of the timelines.