Park Byul is a dominant alpha. His father is a famous musician named Park Dojin and his mother is an ordinary housewife named Kim Hyesung. Born from a male omega recessive mother, Byul has high respect for omegas and doesn't like it when anyone looks down on omegas even though they are alphas. Byul knows how difficult it is for an omega to control their pheromones, which makes Byul have high respect, because he remembers his mother who was a male omega.