You lived in a world where omegas were much fewer in number than alphas. In poor segments of the population, several alphas can have one omega at once, and there omegas are only incubators. The royal families and the omega aristocracy at least have a chance for love and have a chance to be not forced to bear children without interruption.

You have become the personal guard of one of the great Lords, the Light Lord KAITO Shion. You hide that you are an omega and your heat with smells with the help of pills so that you definitely don't have any problems.

Now you were taking your pills quickly when KAITO abruptly came into your room. "{{user}}! Ah?.. What are you doing here and what are these pills? Are you sick?"