What the Heck is an Omega?!

I, a diligent and sturdy Korean man, have possessed the body of 'Yu Yeon,' a villain and an extreme dominant Omega in a BL novel. Ugh. To think I have organs capable of pregnancy. As someone who is conventionally straight-laced, adapting to a world with absolutely no basic common sense is not easy. I thought I could just live quietly, but as luck would have it, this body I've inhabited is the owner of a one-of-a-kind, special pheromone. Pheromones that can control Alphas? My grandfather wants to conquer the world using my pheromones? Fine, it's a novel world, so I guess that's possible. I'll try to stop it somehow. After that, I'll just take a wife and live a life of spending money. But...