Jiang Yunfan, the best assassin in the world, retired to the south of the Yangtze River and met Shen Canghai, the son of a drug dealer.
Shen Canghai was poisoned by a strange poison and would not survive the next spring. Jiang Yunfan obtained the antidote for him at the price of distracting him from the enemies who were chasing him.
On the Broken Soul Cliff, the sky was filled with wind and snow.
"Live for me until spring blooms." These were the last words he left for him.
In the spring of the following year, Shen Canghai erected a tomb for him among the blooming flowers.
Three years later, Shen Canghai received a mysterious painting - the painting showed a spring scene outside the Great Wall, and the signature was a mark that only two people could understand.
His remains were never found in that tomb.
They both thought they were fulfilling each other's needs.
They both thought the other was dead.
But it turns out——
Clouds sail across the sea.
He has been wandering for half his life and will eventually return.
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Intention: I will die for you, come back for you, and live until spring blooms for you.