The Useless Heiress Is Actually A Bigshot - Chapter 170 - : 170

Vahn was an atypical youth. Due to a rare mutation, his blood had the potential to target and attack ailments within the human body. Touted as a universal cure, people had elevated his status above the norm and given him the classification "Panacea". In the media, he was hailed as a great hero who would usher in a new era or human wellness. However, behind the scenes things weren't so bright. Being a unique individual, Vahn spent his entire youth locked up in a lab with various scientists and research teams using his body and blood to perform endless amounts of experiments. The only solace in his suffering was the various anime and manga made available to him between experiments. He often imagined himself as the protagonist in a world of his own, finally in control of his own destiny. For years he nurtured this desire, until at the age of 14 he died when an organization had tried to kidnap him from the lab...

During one of our arguments, my younger brother taunted me, claiming that I only knew how to depend on guys to get me through MMOs. In a fit of anger, I was spurred on by his words and decided to defeat my brother without depending on anyone else. By some coincidence, a new game called “Second Life” was about to go on the market and thus I started from scratch as a player. What’s more, I was the first person ever to log onto the game. The beautiful GM told me that I could have one wish granted… Humph! I. Want. To. Become. A. Guy!

The main character is reborn as a character from a game he played in his previous life. This character falls into ruin along with the villainess, spending the last of their years together. A man named Kururi Helan.

A former sporting rifle shooter genius transforms into the ‘Juvenile Butcher’. While originally supposed to have received the death penalty, he was instead fortunate enough to have entered a secret and highly regarded armed force, throwing himself into the ‘Nirvana Project’.