A young man dies on earth, then he gets lucky to be chosen to be reincarnated into a new world. He discovers that he has been captured and on his way to be sold as a slave or to be used in fights. He also understands that his new world work on the rule of 'Survival of the fittest', where the strong rule the weak and the rich are human and the poor are ants. He realises that his life is not that much secure in this new world since he is both poor and weak so his fate would be worse wherever he was being captured to.
He discovers that he has been gifted a system by the being that reincarnated him to surive better. This system enables him to be able to travel to different timelines and parallel universes or different worlds, to try to become stronger and carve his existense into history, whether as a hero or a villain or an anti-hero, in his own way.
He will use this power to survive life the best and fufilling second life
Note: I do not have an exact update scheldule, as I will only update when I'm free or chanced
I would also try to create a myth for this world and I will also take inspirations form different myths so you might see some similarities between them
