Soul-swapping:Imperial concubine rebirth - Chapter 19

Jason, a young man who died after getting involved in a brutal accident that killed him reincarnated into the exact novel he was reading on the night he died.He was reincarnated into the novel he was reading before his untimely death, as a baby who had just been birthed successfully. From his birth he was shown no love due to his non-existent aptitude in magic.Lucky for him, he awakened the Talent system.A system that allowed him to copy talents; skills that individuals excelled at, the skills that made said individuals the cream of the crop. With the exact same mastery of the person he copied it from.The system when trying to increase his aptitude for mana only managed to decrease it even lower blessed him with nature energy to passively strengthen himself.With no magic and a system that allows him to copy talents, watch Jason climb through the ranks of the world and become the strongest!...[Host can choose a talent to copy: Null eyes, War God's Embrace, 30 Blade movements, Advanced War Tactics]

The world’s top level hacker, Shi Lei; due to him hacking the world’s top military powers during a joint exercise and attempting to steal information from them, ultimately leads him to get sold out by his own organization. This act eventually caused his own death by a missile bombardment.

God was playing a joke on him and allowed him to return back to six years ago, the autumn season of when he was still at his university. Being given another chance, plus the fact that he retained his ability as one of the best in hacking technology, Shi Lei decided to change his life! During his previous life, he was only an assassin in the dark. Although such an existence made people afraid of him, he would have to always hide within the shadows. In his new life, not only does he want to be an assassin in the dark, he also wants to stand openly in the middle of the world stage. Creating a world-class super enterprise, he will single handy change the whole world!

- Description from Novelupdates

He died at twenty-two—bitter, brilliant, and broken. But death wasn’t the end.Now, Noel wakes up inside a tragic fantasy novel he read long ago... as a nameless extra doomed to die before chapter five. But there’s a catch—this “extra” isn’t ordinary.Armed with future knowledge, a sharp tongue, and a magic talent that defies common sense, Noel won’t just survive.He’ll rewrite the story.Because in this world?The real genius never had a name—until now.