[Death rewind + single female protagonist + not afraid of death + do it if you don't accept it + all the worlds]
Liu Ning, a standard time traveler, lost both his parents and the crisis started, but the golden finger was only triggered after death.
Accumulate strength through death after death, survive crisis after crisis, and die in crisis after crisis.
Understand the truth of the world through reading files after death, and finally reach the top of the world.
It turns out that there is a world outside the world, and the world is invincible, but there are enemies from outside, so what else can I say? Just die a few more times.