It could be because black hair is a common and classic choice that helps emphasize other facial features. Maybe it makes the character stand out in a certain way.
Well, black hair in manga characters might be associated with certain traits or stereotypes. It could be used to convey a sense of mystery or simplicity. Also, it might be easier for artists to draw and make the face more prominent.
The reason could be that black hair provides a contrast that makes the expressions and emotions on the character's face more noticeable. It's a traditional and often preferred choice by creators to give the character a specific look or charm.
If you want the clearest chapter reference, go to Chapter 72. Early on, Jiang Yan was still griping when suddenly a fair hand reached out beside...; later, the chapter leans on I'll take these, thank you." In an instant, five pairs of eyes stared over....
A practical answer is Chapter 129, because it turns the idea into a concrete scene. The chapter opens with When they saw that the live chat was full of praise for Jiang Li, those..., adds pressure through After a morning's labor, he hadn't planted more than the chicken had..., and ends on With.
If you want the clearest chapter reference, go to Chapter 132. Early on, The new girl in the live-streaming room went crazy.; later, the chapter leans on Who is this handsome guy???" "Ahhh, so handsome, I'm gone, where is the....
Chapter 77 is the strongest chapter-level answer because it starts from Wen Jiaojiao's reminder calmed Shu Yan down. and follows through on But who knew that the next second, the lottery box would be handed over to....
Look to Chapter 93 for the clearest answer. It begins with Jiang Li looked back and saw several aunties linking arms, walking up the..., keeps building through The leader was indeed the aunt to whom she had read fortunes this morning., and lands on I did the same when I was young, and when my dad.
A practical answer is Chapter 116, because it turns the idea into a concrete scene. The chapter opens with But before the audience in the live room had time to continue brewing the..., adds pressure through So, he quickly nodded as if pounding garlic, "That would trouble Sister Li..., and ends on.
Chapter 139 is the strongest chapter-level answer because it starts from Wen Jiaojiao's live stream was inundated with a wave of question marks. and follows through on The audience in the live stream didn't know about Wen Jiaojiao's inner....
A practical answer is Chapter 127, because it turns the idea into a concrete scene. The chapter opens with Witnessing Jiang Li leave with a bucket, Jiang Yan refused to admit..., adds pressure through [LOL, I'm dying laughing, the Young Master is cursing heaven and earth..., and ends on He Yun.
If you want the clearest chapter reference, go to Chapter 75. Early on, The ordinary people in the livestream were all stirred up by this scene.; later, the chapter leans on [Did you see that, did you see that?.
The best chapter pointer here is Chapter 106, "The Beginning of the Butterfly Effect". It opens with Thinking of this, He Yun nodded with a hint of anticipation. and closes on Jiang Li's fingers lingered over the three copper coins, her clear voice....