I Can Trade Villains from All over the World, the Era of Invincible Awakening

[Invincible + villain + decisive killing + developing power! … After a meteor shower, Aquamarine enters an era of national awakening! It is said that "Li Yang", the most handsome young man in Yandu, has awakened the rubbish [Trader] talent. He can only make fair transactions with random people to improve his strength. He is regarded as a joke in the circle. All forces are gradually neglecting the Li family, and Li Yang's women and fiancées are also eager to distance themselves from him. Overnight, the Li family seemed to have become a remnant of the old era. Fortunately, at the moment of crisis, Li Yang awakened his past life memory and discovered the nature of the [Trader]'s talent. Li Yang: "A useless trader talent? Tsk! This is the [Villain Trading System of All Heavens]! I... Am cheating!" … [Tradable objects: Corpse King, Demon Wizard, Scum King, Hades, Uncle Gray...]