The story takes place in an imaginary world called "Elseran", which is composed of multiple parallel time and spaces. Each time and space has its own unique civilization and rules, but they are connected through the "Ruins of Time", a mysterious crack in time. The Ruins of Time are the ruins of time, carrying countless forgotten fragments of history and the future. Legend has it that those who master the Ruins of Time can rewrite the past and control the future.
Concept: "Eileen" is an ordinary archaeologist who accidentally discovered an ancient fragment of time during an expedition. The fragment plunges her into an adventure across time and space. She must cooperate with partners from different time and space to unlock the secrets of the Ruins of Time and prevent a disaster that is about to destroy all time and space.