Pokemon: As Cynthia's Fiance

Samuel, unexpectedly finds himself transmigrated into the vibrant Pokémon world. Years later, he's a top researcher at Celestic Laboratory, engaged to Sinnoh Champion Cynthia. With a Champion-level Lucario, a system, and hidden Pokémon knowledge, Samuel tames legendaries, solves ancient mysteries, and casually crushes evil teams. Team Rocket and Galactic join forces? Darkrai goes berserk? Cynthia wants a Mega Stone? No problem. Her fiancé will handle it. Want to read ahead 15 chaps you know where