In the fifth year of Xie Fengdan's time travel, the Xie family was accused of treason and the whole family was imprisoned.
She disguised herself as a man and joined a caravan to escape, but was blocked by the inn window by the eldest prince who had returned without being summoned.
Xie Fengdan (putting the short knife against his throat): Get out of the way!
Feng Chaoyang (leaning forward): If you kill me, neither you nor your maid will survive.
The short knife in Xie Fengdan's hand cut his skin.
Feng Chaoyang: In this game, you only have two ways. Die? Or work with me?
Later:
Only then did Xie Fengdan realize that he was not afraid of the knife in her hand when he let her go that night.
And later:
He blocked an arrow for her on the battlefield and protected her behind him: "I said, you owe me a life."
Xie Fengdan (sneering): "That's what you made me owe."
Feng Chaoyang (looking back at her): "So I will still pay it forward in my whole life."
Intention: A universe of its own, with its own edge.