Across Worlds, I Claim the Crown

Hector Novak, a top scientist and CEO of Novak Group in 2077, is betrayed and killed by his best friend, Melvin Shaw. He awakens in the Duflana Empire as Cedric Novak, the exiled, foolish third son of the disgraced Novak family. Branded as traitors, the patriarch is executed, and Cedric is banished with his seven sisters-in-law. Feigning madness, he secretly safeguards them and captures corrupt officials with his aether technology.