Maybe it was for a stealthier look or to create a more mysterious vibe.
Well, often in comics, costume changes are used to symbolize something. For Batman's black costume in the old comic, it could have been to show a new phase of his crime-fighting or to stand out visually among other characters.
The best chapter pointer here is Chapter 31, "Master, I've been having some bad luck lately!". It opens with Before Shen Lan had reached the backyard, she already heard the sounds of... and closes on After staying in the study and reading for another day, she finally....
If you want the clearest chapter reference, go to Chapter 25. Early on, Therefore, from his childhood, Jiang Shixu had felt an extreme aversion to...; later, the chapter leans on Over time, he naturally developed a gap of estrangement between himself....
Chapter 25 is the strongest chapter-level answer because it starts from Therefore, from his childhood, Jiang Shixu had felt an extreme aversion to... and follows through on Having worked beside Shen Lan for over a decade, she had been there when....
A practical answer is Chapter 5, because it turns the idea into a concrete scene. The chapter opens with Actually, when Manager Fang saw Jiang Li, he was somewhat surprised., adds pressure through How the hell did you get in?!, and ends on Recently, he did suspect that his wife was cheating on.
Look to Chapter 34 for the clearest answer. It begins with Seeing that the public sentiment wasn't quite right, Su Yinwan felt..., keeps building through It was she who had anonymously paid someone to write the critical article..., and lands on Now that Lili is misunderstood, they start to kick us.
Chapter 26 is the strongest chapter-level answer because it starts from Shen Lan was bent over processing a large stack of press briefs on her... and follows through on If you think you can use our family connection to have me handle this....
Chapter 871, "Emergency Incident", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. A useful checkpoint is the way the scene starts with He really didn't expect such a coincidental event to happen to him.
Chapter 825, "This method is absolutely not feasible!", is the clearest early answer because it turns Purple Sun Temple's situation into a concrete plot event. It opens with Beside him, Yu Qing: "....." Why does it feel like neither of them...
Chapter 911, "You Have Three Children?", is the clearest early answer because it turns Jiang Buchen's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Jiang Bufan stood still, with his eyebrows furrowed, as if he was...
The best chapter pointer here is Chapter 24, "The Cause of Jiang Shixu's Illness". It opens with Not only that, even the non-mainstream photos she had previously posted on... and closes on Shi Xu rarely feels like going out, so that's nice." Aware that he....