Lower-class citizens who are treated as expendable laborers with no rights.
Emotions, particularly love, are strictly forbidden because they are believed to cause "instability" and attract the monsters below. The Threat Below Ling Long: Incarnation
On the surface, he encounters Bai Yuekui , a mysterious woman who has mastered the ability to fight the Mana beasts using ancient techniques, hinting at a deeper secret regarding humanity's evolution. Lower-class citizens who are treated as expendable laborers
Citizens with "superior" genetic traits who enjoy rights and status. he encounters Bai Yuekui