I Got Stronger By Using Copper Coins Until I Am Invincible - Chapter 552 - A bet on a key

Alex used to be a scientist in his previous life, infamous for doing questionable biological research; now he's the prince of a nation and a chosen 'Saint' of the God of Wisdom.Despite being a 'saint,' he's a top-tier schemer and a conspiracy master who considers his goals and ambitions above everyone and everything else in the world.“Power, connections, intelligence, and money... That's all that matters in this world; those who have them are supreme!” - Alex 'The All-Knowing Saint'What will happen if such a villainous person is thrown into this new world as a supposedly benevolent and kind 'saint'? Let's find out...(NO-HAREM, SCHEMER MC, TACTICS, AND STRATEGY!)

The Aliens descended with hostility.In the face of the Alien invasion, humans were as weak as ants.So this was the apocalypse, the true apocalypse.But where there was invasion, there was resistance.For some people, this wasn't the end times, it was war.So this was war.The real war!

There are a total of seven sins, and a revelation is made to a young man named Alex that he is destined to become a demon lord, more especially a demon lord of sin called LUST.

It's not like he can change that and because he always knew something about himself was different—not in a physical sense, well, maybe a little—and not in a mental sense—but rather because he is thrown into a demonic war that compels him to accept his new reality.

He was only aware of a difference in himself. Relating to him and the ladies who are drawn to him... Well, it was more or less like he was a magnet in front of all the girls, and all the girls were drawn to him like a metal.

Roan transmigrated as an FBI investigator.Several years later, a journalist interviewed the world-renowned detective Roan Greenwood and asked,“What made you persist in solving cases for so many years?”Roan tilted his head and glanced at the sports car beside him, the villa behind him, and the beautiful woman inside the villa. He smiled slightly and said,“Well, the bonus after solving the case.”“What?”