After Gu Li rescued Lu Chengfeng by chance, he went with him to Tan Yang. They lived and died together in a conspiracy. From then on, they got to know each other and embarked on the path of exploring the truth together.
Gu Li: Cheng Feng, never marrying is the last thing I can do for you in this life.
Lu Chengfeng: Ah Li, you owe me you.
Du Ruolan: Ah Li, I shouldn't use you.
Intention: add later