The theme might center on a hero's journey in a gritty, noir-like world where the use of guns is a constant threat. The black and white could add a sense of stark contrast and moral ambiguity.
It could be about a battle between good and evil, with the guns symbolizing power and the black and white representing the clear divide.
Perhaps the theme is focused on survival in a violent, dystopian society, and the black and white could signify a lack of nuance or hope. The guns could be both a means of protection and a source of danger.
If you want the clearest chapter reference, go to Chapter 141. Early on, It had happened in the afternoon when Aunt Ying's son and daughter heard...; later, the chapter leans on They went straight to Jiang Li's door and insisted on thanking her..
If you want the clearest chapter reference, go to Chapter 136. Early on, A few people retraced their steps back to the place they had just been.; later, the chapter leans on They continued straight up the mountain path until the trees became denser....
If you want the clearest chapter reference, go to Chapter 166. Early on, Only after everyone in the small courtyard had left, did Zhao Lang stride...; later, the chapter leans on Through the window, he saw the girl sitting at the table reading, her face....
A practical answer is Chapter 150, because it turns the idea into a concrete scene. The chapter opens with Upon hearing the first part of Jiang Li's words, Zhang Cheng dismissed..., adds pressure through Yes, the problem lies with He Yun., and ends on He spent the last few days visiting various.
If you want the clearest chapter reference, go to Chapter 128. Early on, Still hungover, Huo Ziyang had just awakened from a blurry dream when his...; later, the chapter leans on He clicked his tongue in annoyance and picked up the phone..
Look to Chapter 175 for the clearest answer. It begins with Wen Jiaojiao's eyes nearly rolled back into her head., keeps building through If you know you're sorry, why did you take so long and even redo your hair..., and lands on Su Yinwan, who had heard half his words, was a bit puzzled..
The best chapter pointer here is Chapter 142, "From Enemy to Best Friend?!". It opens with The ingredients for making Buddha Jumps Over the Wall were still on their... and closes on Wen Jiaojiao immediately lit up and stepped forward to hug Jiang Li's arm..
A practical answer is Chapter 160, because it turns the idea into a concrete scene. The chapter opens with As the sky gradually darkened, the originally mild drizzle began to..., adds pressure through Feeling somewhat guilty, she bluffed, "I—I like her, it's none of—none of..., and ends on Then.
Chapter 138 is the strongest chapter-level answer because it starts from Is there such a good deal? and follows through on Could it be that the poison also had a side effect of making a person more....
Chapter 158 is the strongest chapter-level answer because it starts from Reluctantly, Jiang Yan had no choice but to forcibly join the group for... and follows through on we're just very close friends." Sister Li had a vast number of followers....