Naruto: I'm Nine-Tails and My Host is Kushina - Chapter 207 : Nagato’s Shinra Tensei, Universal Pull

Yun Bixue is in dire straits—

The world had changed when the System arrived, alongside the Cataclysm that filled the world with monsters. The technology was gone, replaced by classes and skills that allowed the people to fight back. When Devon ended up as a Blacksmith, a class that didn’t grant Intelligence, he had to face the reality, that his old career that he loved - mathematical sociologist - was over. Instead, he had ended up as yet another discarded member of the production class, overshadowed by the existence of the System Shops to the point of total marginalization. But, what if all he needed was to reapply his scientific thinking to the System...

In every being, a soul, a spirit, or a core, exists that tethers the consciousness into the solid plain. Witness as how a little spark from who was once a blazing flame, regained what once was lost.“I died and..” grins “...that started my life”What happens when an assassin transmigrated to a cultivation world?They rise through a mountain of corpse to reach the skies.But....What of an assassin whose enemy turns out to be themselves?A world where magic and cultivation co-exist?People say “Keep moving forward”.What if the way forward, is to go back to where she begun?

What got summoned was the world’s strongest sociopath.