ABO.
It is an evolutionary method of unknown meaning that arbitrarily divides human gender into several branches from simply male or female.
However, let's put these troublesome settings aside for now.
"Listen up, Qinglan."
"According to a traditional, or very old-fashioned saying from the perspective of young people, asking someone about the smell of their pheromones is basically the same as proposing to someone."
"So."
"If someone asks you about the taste of pheromones, then don't think too much or hesitate. Just do as I taught you and simply say -"
——————
The short film is finished, abnormal ABO, no beginning or end
Purpose: The first thing to do to survive in the apocalypse is to find the Time Chicken