C375 Abo the Villain Is too Black-hearted 02

"What do you mean?" Jian Nian was confused.

[This is a setup. Let me give you a simple explanation first.] Coughing dryly, she started to preach, [abo] are three kinds of human, A belongs to the top human, is the leader of the future of this world, and B is an ordinary person, just treat it as the most normal human. As for O, it is the most cherished and the most vulnerable group of mankind