Well, the 'girl in blue story' could be about many things. It could be a fairytale - for instance, the girl in blue might be a magical being, and the color blue could be associated with her powers. Or it could be a historical story, where a girl in blue is part of a significant event. Maybe in a certain culture, the color blue has a special meaning and this girl is related to that cultural aspect. There are just so many possibilities without further information.
The 'girl in blue story' might be a narrative centered around a girl in a blue dress, blue shirt or some other blue attire. Maybe she has an adventure, or it could be a love story where the blue has some significance, like it's the color of her eyes which the protagonist is attracted to. However, without more details, it's hard to say exactly.
If you want the clearest chapter reference, go to Chapter 123. Early on, After He Yun also carefully rolled up her trouser legs and walked down...; later, the chapter leans on [Jiang Li, why are you still wandering around the edge?.
If you want the clearest chapter reference, go to Chapter 124. Early on, Since there were too many points cards inside Jiang Li's barrel, Director...; later, the chapter leans on However, Jiang Li merely lifted her eyelids and said indifferently, "No....
Chapter 118 is the strongest chapter-level answer because it starts from At 8 in the morning, several guests appeared on time next to the... and follows through on Hearing this, both Jiang Yan and Shu Yan started to complain as well..
Look to Chapter 89 for the clearest answer. It begins with Director Sun took a step back, "What's the rush?, keeps building through It's true about the go-kart costing one point, but this time we're using..., and lands on If anyone should be mocking her, it should be me.] Wen Jiaojiao stood to....
Look to Chapter 146 for the clearest answer. It begins with Director Sun: "???" Jiang Li smiled and said, "In the past, the show crew..., keeps building through But most of the dishes tonight are made by the villagers., and lands on That way, they could maximize the traffic for their live.
Look to Chapter 132 for the clearest answer. It begins with The new girl in the live-streaming room went crazy., keeps building through Who is this handsome guy???" "Ahhh, so handsome, I'm gone, where is the..., and lands on He stir-fried the other dishes Jiang Li had prepared, and somehow.
A practical answer is Chapter 139, because it turns the idea into a concrete scene. The chapter opens with Wen Jiaojiao's live stream was inundated with a wave of question marks., adds pressure through How was this plot supposed to crash and burn now?, and ends on The audience in the live stream.
The best chapter pointer here is Chapter 102, "The production team can't take a joke!". It opens with When the camera cut back, the three of them had already returned to the... and closes on The cameraman, with a blank expression, turned off the camera, causing....
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....
If you want the clearest chapter reference, go to Chapter 106. Early on, Thinking of this, He Yun nodded with a hint of anticipation.; later, the chapter leans on Alright, then tell me my fortune, what do I need to do?.