DxD: Scion of Lucifuge - Chapter 215: Return to the Underworld—Reward From Grayfia—Ophis’ Obsession!

Jyera, a parallel Earth ruled by humans, was about to enter the interstellar era when the apocalypse arrived. Animals turned into monsters, humans became zombies, the weather went crazy, and all technology stopped working.Rick was a rookie firefighter on his first day of work when the apocalypse began. With the help of other survivors, they trusted each other and managed to survive the initial chaos.But due to the greed of his companions, Rick was betrayed by them and ended up dead. After regretting his choices and accepting his fate, Rick finds himself alive again 7 days before the apocalypse begins. Now armed with a powerful system and knowledge of the future, Rick plans to not only survive, but thrive in the harsh apocalypse…

It was a dangerous era. Extraterritorial ferocious beasts occupied 90% of the living space in the world, while humans could only survive in a small space. Fortunately, some of the surviving humans awakened to genetic martial arts! Breaking the shackles of one’s genetics was the foundation of cultivating martial arts. Lin Feng, who was born with congenital disease, could not experience a breakthrough. However, by some fateful encounter, he awakened to the ability to merge genes.

The summer of 2006 was very hot. Chen Yang, who had just graduated, decided to borrow a sum of money first to make his future different.

- Description from novelbuddy

If you had a chance to live again, what would you do? Earn money, hold onto a thick leg, just find someone to live a happy life with? Ha ha… Stepping on the beat of the times, riding the wind and breaking the waves, strategizing, using your knowledge to change yourself, and everything around you, come back! The reality flows to the plot, the golden fingers are thick, slow, and cool.

- Description from Novelupdates