Mo Yuncheng: I love you, but I don't believe in love at first sight, so I tried my best to get in touch with you and prove that love at first sight...
I know you are really worth it...
Setting: ABO - divided into B level, A level, S level, no level
The amount of pheromone ability depends entirely on oneself (similar to cultivation, regardless of age, people under 10 years old may have 3 abilities). The higher the level, the stronger the pheromone ability.
Both have: male A female A - susceptible period, coercion pheromone
Male O Female O - Estrus period, aphrodisiac pheromones
Male B Female B - very developed brains, the higher the level, the more developed they are.
Male E Female E - Definitely S level, can mark anyone, has coercion pheromones and aphrodisiac pheromones, and has estrus
Concept: Some people are worthy of love and some are not.