Doomsday: I Become Invincible By Picking Up - Chapter 44

The Sword Emperor’s challenges result in three of the Ten Venerables to be criticially injured. Three of the Seven Absolutes also die.“It wasn’t enough for you to come knocking at my door all alone; now you dare challenge me to a battle to the death? I did not think you to be so dull as to miscalculate others’ strength.””Neither the Ten Venerables nor the Yellow Lotus Temple’s Seven Absolutes of the orthodox sects had the ability to give me an answer. You are the only one left to ask.”Some may call the Sword Emperor old-fashioned, but he only seeks to be stronger as a martial artist.His endeavor eventually leads him to challenge the Heavenly Demon, the generation’s strongest man in murim. The challenge turns out to be the grand finale of his life.However, the Sword Emperor later wakes up as a member of the Cardenas family, the continent’s best swordsman family!

You are the ruler, I am a subject, you want loyalty, I’ll give you loyalty. You are the ruler, I am the subject, you want my sacrifice, I will sacrifice for you. This lifetime, we’ll only be ruler and subject…… cannot become the one who accompanies you to experience everything.

A deposed empress, a failure of a substitute. Charging into battle, he was the emperor, and she, his general. But within the intimacy of their military tent, he was her husband, and she, his wife.

But everything was star-crossed. For the one he loved the most, he would push her into hell again and again.

- Description from Novelupdates

mc gets transmigrated to Fallout New Vegas with the merchant system. let the questionable adventure begin.