[System + time travel + multiple protagonists + fast pace]
My time travel?
No!
It's our time-travel.
We will keep going,
Forever.
Blue File--·············
[My classmate wanted to see it, so I wrote it and tried it.
[Students, you are still in school, don't complain, I will try my best to come back for more updates, after all, I still have to make up classes]
