ABO, according to the setting, alphas are considered a dangerous species of human beings because of their extremely aggressive nature and rarity. They are raised in captivity in different levels. When they reach adulthood, they are given to powerful omegas to be raised as pets/production tools. Defective alphas (inferior alphas) can be sold to civilians.
Mu Zhicheng wanted to get rid of the most disobedient one.
Intention: two-way redemption, ABO, Lu Mu, and CP