I haven't saved the manuscript, so I am revising it as I write.
In this article, AP pheromones are similar to superpowers. Enter school at the age of 15 to take the AP pheromone qualification test. Attack pheromones are generally aggressive and highly respected. Pacify pheromones are generally soft and mostly auxiliary.
Pheromone qualifications are divided into seven levels, SABCDEF, and each level is divided into three categories: +, *, and -. There are five levels. Origin period (10th period), same thing (10th period), same body (10th period), close meaning (5th period), domain (highest level).
Purpose: Mutual redemption and mutual growth