When a genius girl from the physics department accidentally locked the entire school in a time loop, the only senior computer science student who discovered the truth came to the door with a "breaking system" - the two had to solve a century-old mystery in 99 reincarnations, but in the "same day" day after day, they discovered something more buggy than time.
Intention: Even if we are trapped in an unchangeable external cycle, we can still choose how to spend each day - whether we are prisoners of repetition, or explorers who are closer to the truth and each other in every round.