This article originated from a dream of mine
Background:
Hidden abo world
The vast majority of people are Beta, or they don't even know that there is an ABO.
The key to differentiation of a or o at the age of 18 cannot be successfully differentiated without relying on auxiliary drugs
The appearance of AO that has not been successfully differentiated is no different from that of Beta, and it relies on primary sexual characteristics to self-identify gender.
Only a few people know about ABO
These very few AOs can sense the attributes of others
Concept: Imagination work, is the world really the world in the eyes of ordinary people?