I am, Flame-Chaser of Previous Era - Chapter 44: Explain

Raelis Varekan was born into royalty but treated like trash. With 0% bloodline purity, he was branded a failure, framed for treason, and executed without a second thought.But despite his expectations, he had come back to the time he was twelve years old, standing in front of the same bloodline testing orb. But this time, something changed.His former 0% bloodline purity was gone, replaced by a 1% result.And with it came something no one else could see: a system that let him grow stronger.[Ding!][+1% Bloodline Purity][Total Bloodline Purity: 2% (Ash)][Next Bloodline Rank at 10% Purity: Ember]With the future burned into his memory and a strange system tracking his growth, Raelis wouldn't make the same mistakes twice. He would become strong and he would use every tool he had to survive the academy and outmaneuver his siblings and the nobles who once betrayed him.And most importantly...Raelis would rise through the ranks and become the one who rewrites the Varekan Empire’s history.

This is a story about a young man who sought to fight against his destiny. With the help from billions of Dragon Energies trapped on the Rising Dragon Pillar in his body, he emerged from the dark and quenched himself with the blood of ancient dragons. He fought the heaven with the Buddhist Art for the people he loved and built the Eternity Kingdom with his own hands. This is a story about the rise of the Martial Emperor who will rule both earth and heaven.

- Description from Novelupdates

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

Crossing the sky, you don’t have a prominent background, you don’t have a grandfather ring, and you only have a little talent. What would you do?

Fortunately, Xiao Ming awakened the life simulator!

[Life Simulator is on:]

[You have lived an ordinary life. ]

[Extracting talent items]

[Currently available: Qinglian Earth Heart Fire, Melting Flame, Evil Poison Body]

[Please select one]

Every seven days, you can choose to extract one of the talent items from a simulation.

At this point, Xiao Ming began his ordinary life.

ps: The protagonist has a good talent and does not rely entirely on the simulator.

- Description from novelbuddy