There is a kind of filamentous alien species hidden in the world, which survives by devouring the malicious elements that breed in the human heart - negative neurotransmitters and electrical signals of despair and rage are their nutrients, forming a strange symbiosis with humans. This kind of creature lurks in the cracks of the black hole that can only be opened by strong malice. Once it finds a suitable host, it will penetrate into the human blood and become parasitic, silently eating away at the malice.
On July 14, 2018, five people went on an adventure together, strayed into a mysterious underground space, and were trapped... Two weeks later, college student Lan Yongying woke up from a severe headache. When she noticed something strange in her body, a crucial memory completely disappeared. His vague intuition told him that he did not exist, but now he suddenly appeared here.
Concept: Forms of love, hate, and malice