The Book of Abbadon - Chapter 16: The End of the Beginning

“Married rich for three years with no child born. Just when she was finally cured of infertility and ready to give him a child, he brought home his pregnant mistress in high profile.

The main character has been reincarnated, and he possesses a system and a powerful treasure. Using these, he plans to create his own universe. Keep reading to find out more.

Death is sometimes not the end!
Dead prison!
This is a magical prison. It has the ability to draw the souls of the dead people of the world, and it also enables people to gain the ability of the souls of the dead.
When Qin Song woke up, he was shocked to find that he had come to the world of One Piece, and even more surprised that he found a prison in his body…..

- Description from Uukanshu

Marked by the cursed Darksign, Naruto Uzumaki finds himself tethered to two worlds: the unforgiving lands of Dark Souls and the shinobi realm of ninja. How will a world of Dark souls face a Chosen Undead with chakra? And how will the shinobi world confront a warrior reborn in the Lands of Lordran?