MTL - Blackstone Code - ~ two thousand one thirty

This is the story of a modern sailor who was accidentally reborn as a soldier of the Brazilian Expeditionary Force, and finally became the largest plutocratic family in Brazil by virtue of his foresight.

- Description from novelbuddy

Moulded from rot and souls, Loimos is born as an undead, as a skeleton. An undead linked to the weakest category of its kind, yet, he has something no other of the dead have. He is pure. Follow the journey of Loimos as he fulfils his duty and hunts down the living with extreme prejudice and faces off with the hypocrisy of those who live in death. In a world thriving with life, magic and heroes, he stands as the solution and its end.

Childhood sweethearts.
The most popular person in school is my childhood sweetheart.

- Description from Novelupdates

Introduction: Zhao Si, one of Wall Street’s rising rookies, has been reborn. Knowing the trend of the times, he wants to make his corrupt official father change his ways…

(ps: This story is purely made up, if there is any similarity, it is definitely a coincidence, and it is not aimed at any individual or group organization.)

- Description from novelbuddy