In reality, Qin Lan's betrayed girlfriend and her lover were killed by their car one night. He didn't want to die and was pulled into a game.
In the game, he met someone. In order to survive, he made countless agreements with him.
He thought he was encountering a terrifying devil. But, later on, he saw time and time again when he was helpless.
Finally, when they were attacked by the destruction of the system, the devil made one last agreement in order to let him live.
"I make a promise to you that I will never die. We will definitely meet in the new world."
Intention: As long as people are here, water will always flow, and this feeling will never end.