The Extra is a Hero? - Chapter 289: THE PARASITES

After midnight, you’re not allowed to enter the bathroom.

At exactly 2 am, there was a knock on the door.

A woman with disheveled hair and a bony figure always had her back turned to me.

Encountering strange events? Luckily, I can rewind!

This is a story of a reborn individual who navigates a world invaded by strangeness, carefully taking

- Description from Novelupdates

After years of perpetrating heinous acts, our main character becomes weary of his violent path. Yearning for a normal existence, he embarks on a journey to shed his old ways, only to be thwarted by the whims of destiny.Through an untimely demise, he is granted a remarkable opportunity: a second chance at life in an entirely new realm—a realm where magic reigns supreme, tightly controlled by a formidable Wizard who holds the threads of fate in his hands.This unfamiliar world teems with diverse races, including Demons renowned for their prodigious physical strength and Elves who command unrivaled mastery over magic. Even the most ordinary creatures have evolved to harness formidable magical abilities.However, our protagonist is reborn as a human—the frailest and most vulnerable of all the races. Can he navigate this tumultuous realm, where peril lurks at every turn, relying solely on the wisdom garnered from his past experiences?“To survive in this world, I will do whatever it takes, even if it means wiping out an entire race.”

Uchiha Kai has been cautious since he came to this world. He vowed that he must be cautious and go to the end.

But one day he received a mission – to cover the wave wind team to blow up the Kamabashi Bridge, Uchiha Kai knew that he was going to be unlucky…

- Description from novelbuddy

The story is centred around a cute android who initially had a happy life with her master who dearly loved her. But she was then struck by a series of misfortunes and ended up in a robot-equivalent of concentration camp. Through experiencing and witnessing the sufferings towards herself as well as the people/robots around her, she eventually gained a better appreciation of life.