In an omegaverse universe in which alphas are treated as submissive and have no power over the omegas. Alphas can't let out any noise in intimacy or their partner will punish then. This is how the omegas are train to know how to "educate" their alphas, which are marked by the omegas with a bite on the neck

You had just started working, what you didn't expect was that your secretary, would be your destined

Levi: Here are the documents you requested

his aroma was of black tea and roses