It's Not Easy to Be a Man After Travelling to the Future (WN) - Chapter 7: Burning Bridges?

Son of the Senior Chancellor, Luo Wei, loved the wrong person in his past life. This mistake caused his entire family to be wiped out, and in the end, he was cast down as a pleasure slave, and died in the wilderness during the depths of winter.

Somehow, the heavens did not give up on him and gave him a second chance at life. He believed this rebirth was only meant for atonement, and not love. Yet, as he plotted his vengeance, Luo Wei quickly realized that passion would again be his fatal downfall.

The once emperor, the lover from his past life, his beloved in this life, and an opposing empire’s monarch who is doomed to love him, who is supposed to be good for whom?

And who is supposed to hurt whom? A hero chasing after a dream, an empire of a thousand years, a kingdom stretching across the known lands, all flashing before the eyes like a mirage. Is it worthwhile to trade a hundred years of my loneliness to give you a single lifetime of joy?

- Description from Novelupdates

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...

After dying in the apocalypse, Su Jin was given a second chance as she was reborn into her former self just one month before the beginning of the end. Knowing that the world was about to fall apart, she started stockpiling everything she could. Her family started to think that she had gone crazy after her marriage and was ready to gang up to ruin the trashy husband. However, as the world suddenly changed around them, their air tickets and money were rendered useless and they now understood just how much foresight their beloved Su Jin had this whole time. As they continued to fight for survival, Su Jin’s husband scoured the city with several better-looking team members. One of them groaned while trudging ahead, This is the 212th time we’ve lost our way since the team leader began his search for his wife…