Black Nest Technology, a massive corporation led by Xiao Sin, has nearly conquered the world. Rumors suggest that their proud humanoid weapon, the "Guardian," possesses the power to destroy the world. However, not everyone accepts Xiao Sin's rule. The protagonist, Bai Jiu, successfully infiltrates Black Nest Technology with the aid of his fellow rebels, aiming to secure a "detector" to restore everyone's life experiences and families. Meanwhile, what is the purpose of the protector INK, who was dispatched to eliminate the invaders?