Sin System: Demonic Harem After Reincarnation - Chapter 135.Filling 12 Floors

On the night before graduating from university, Wu Xiaoyin’s children’s shoes lost consciousness amidst the sound of big sales from his classmates, accompanied by the expectation of a new life.
Unexpectedly, what I saw when I woke up the next day was a colorful giant tiger.
What’s more, this beautiful giant tiger has a scene of turning a living person into a living person.
Frightened Wu Xiaoyin’s children’s shoes, who had just woken up gorgeously, fainted, so the big tiger dragged the little female Wu Xiaoyin’s children’s shoes back to the tiger’s den, and went to give birth, haha!

Content tags:
Search keywords: Protagonist: Wu Xiaoyin, Lei Lu ┃ Supporting roles: Kos, Feng, Bin, Xiao Kai ┃ Others: Beastmen, Farming, Tianwen

- Description from novelbuddy

Qin Chuan arrived in a parallel world and got bound to a system.

Lin Jiang travels through the world of cultivation and obtains the Lifespan Check-in System.Check-in for a day, gain one year of lifespan.This nearly infinite lifespan allows him to live tens of thousands years, bearing witness to numerous lives passing by, their joy, grief, and everything in between.He has persisted from the Stone Age to the Cosmic Age and ranges from cultivation to science. He is there, always there, as the eternal guardian of mankind.(Not a dark and thrilling story, be cautious)

Strength.... That's all that matters in the end.

After being abandoned by his own family, and shunned for having no mana in a world dominated by magic, ex-prince Arvell Relas Vispia was forced to live on the streets with whatever meagre money he had left.

However, fate had something else in store for Arvell.

After meeting the spirit inhabiting his amulet, Arvell gets reborn as a Nephilim.

A being that has the powers of a god.

Time, Space, Life, Death.

All submitted to the authority of a Nephilim.

Betrayed by those he once called family, Arvell swore to get revenge.

Revenge on all those that mocked him and shunned him as a 'failure.'

Revenge on those who betrayed him without a second thought.

This is a tale of how a young prince shunned by the world as a 'failure' rises and ascends to the pinnacle of strength.