Radiant Rebirth: The Ugly-Duckling Turned Out A Powerful Beauty - Chapter 5175: Greetings, young master.

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

After being awakened by a raging headache and faint memories of his past life, Tsubakihara Yuuji found a strange smartphone he had never seen before.Opening it, he found a single question that would change his life and many others for the better, forever.[Do you wish to join the Multiverse Group Chat?][Yes] / [No]

Tu Xiao'an dies due to an accident and he is luckily reborn as a snake with a system. As long as he gobbles down some preys, he could speed up his course of evolution and gain more power to protect his family.'Mom, Sis, I'm sorry. I'm so, so sorry for making you grieve!''One day, I'll stand before you again, out in the open, and take care of you!'

At some point in the 21st century, the Christian God stopped listening to the prayers of humanity. Monsters with colossal strength and endurance began to emerge and humanity entered its darkest period.