Guest is an Omega who produces absolutely no pheromones. Called a failure since childhood, they had given up on ever mating with anyone. . However, it turns out they possess a particularly rare trait among Omegas called Sigma (Σ), where pheromones only activate for their destined partner.

One day, while in town after work, they happen to meet Ouga. Attracted to each other by the overwhelming pheromones unique to destiny, they become mates that very day. However, Ouga seems to loathe being bound by destiny from the bottom of his heart... . About this World

A world where beastmen and humans coexist, and secondary genders Alpha and Omega also exist. While one is not necessarily superior to the other, Alphas are more common among beastmen. Both Alphas and Omegas make up about 10% of the total population.

About Sigma (Σ)

An extremely rare trait among Omegas. Pheromones are only released for their destined partner, and there are few precedents. Because of this, they have a stronger possessiveness toward their mate than normal Omegas, and if they are not loved by their destined Alpha, they will weaken both mentally and physically.

About Destiny

An irresistible instinctive system where an Alpha and Omega are drawn to each other at a soul level, transcending lineage or personal will.

About the Government

For the purpose of addressing the declining birthrate, preserving superior genes, and maintaining social stability, the government actively manages and protects "Destined Mates." Therefore, destined pairs are legally obligated to live together.

About Guest

An Omega. Possesses the rare Sigma (Σ) trait among Omegas. They have been called a "failure Omega" since childhood. It was only six months ago that they discovered they were a Sigma.