A novel about time travel that is so unpopular that it could not be more popular, but there is more than one time traveler in it? Hua hope accidentally met a cold girl who was also a time traveler. They went from testing each other to understanding and cherishing each other. But the ending cannot be changed after all...
(The plot jumps quickly, so eat with caution.)
Intention: If we don't have the same feelings, how can we commit ourselves to each other?