In 22nd century Japan, a time-travel tour guide is forced to confront the ethical implications of altering the timeline when they must choose between saving a loved one and preserving history, while facing off against rebels who are actually their future selves trying to prevent catastrophic consequences.
Protagonist: A time-travel tour guide from the future; Antagonist: A group of rebels who believe time-travel is dangerous and want to stop the protagonist from using it.
The protagonist is forced to confront the ethical implications of time-travel when they must choose between saving a loved one from a tragic event or preserving the timeline as it was meant to be.
In the end, the protagonist chooses to save their loved one, altering the timeline and causing a ripple effect throughout history. The rebels are defeated, but the consequences of the protagonist's actions lead to a new, uncertain future.
Twist: It is revealed that the rebels are actually future versions of the protagonist, who have traveled back in time to prevent the catastrophic consequences of altering the timeline. The protagonist must now face themselves and their own beliefs about the dangers of time-travel.