I am grinding experience in another world - Chapter 761 - 749: Unexpected Change

Shi Jin was a desperate woman and just a pretty face in her past life. She was swapped at birth and brought up in a rich family, only to eventually die a horrible death.

How can life be the same, no matter who you spend it with?Xue Yue got married. To save her brother's life, she sold herself into marriage for 500 yuan.He Lang hadn't been home for several days. He never would have thought that upon returning, he'd find his room occupied, his bed slept in, and... an extra wife.He Lang couldn't wrap his head around it: He wasn't even there, so how was he 'married'? Is anyone going to do anything about this?...Later, “Wife, when are we going to get our marriage certificate registered?”“Weren't you unwilling back then?”“Who was unwilling? Who? Who was it? I'll go beat them up.”“...”

[You have been abandoned by the human race and become a Fallen.][The Fallen System has been awakened.]'Ding!'[Quest Complete! Reward: Fallen Narakai Bloodline (3° Tier)]Sentenced to public execution at sixteen, falsely accused of being a monster and a genocidal maniac, Cairen Veyrith saw his family, his race, and the entire world turn their backs on him.As the executioner's axe descended upon his neck, Cairen fell… but something refused to let him go.Transported by the System to an unknown world, now bearing countless bloodlines. The legacy and fury of all the races that once fell.This time, will he find a place where he belongs…? Or will he be the one to abandon the world?

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.