Lin Yan, 27 years old, earns 6,000 a month and pays 2,800 in rent.
He works overtime until three in the morning. When his supervisor asks him to revise a proposal, he says, "Sure." When a colleague asks for help, he says, "Sure."
In everyone else's eyes, he's a "human Post-it note": obedient, never causes trouble, and always eager to please.
Then, one early morning, he binds himself to a mysterious System.
[Possession Mission: A successful candidate, Chen Shouren, was dispatched to the miasma-ridden lands of the southwest. Complete the good deed he left unfinished...]
After completing the possession, he gains a skill: speed reading.
From then on, he can possess others, experience multiple lives, and complete the good deeds those people left unfinished.
A refugee fleeing in 1942, an earthquake relief volunteer in 2008, a doctor fighting the pandemic in 2020...
With every possession, he gains a skill. With every mission, he grows stronger.
But the System tells him: You are your own first mission.
The System is no servant of Lin Yan's. Sometimes it does things he doesn't want it to do. As it seeps into his soul, and the more people he possesses, the less like himself he becomes, how should he choose...