Given the lack of information, key elements could be various. If it's a story about growing up, it could involve the big sister guiding Dylann through difficult times. It could also be about shared secrets or a special bond that is unique to them. Maybe there are certain events that only they experienced together that form the core of the story, but without more details, it's all just speculation.
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....
A practical answer is Chapter 78, because it turns the idea into a concrete scene. The chapter opens with He Yun, too, tidied up and walked over to rest in the shade of a tree., adds pressure through That weed whacker is obviously mine!, and ends on [HAHAHA, is it just me or does Movie Emperor He.
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....
The best chapter pointer here is Chapter 22, "Number 7203". It opens with Hearing this, Su Yinwan looked at Shang Shaojing with a face full of... and closes on Jiang Li's righteousness temporarily shut Jiang Yan up, but after a few....
Look to Chapter 56 for the clearest answer. It begins with Lei Shen originally had no idea about the trending topics on Weibo., keeps building through He had been busy renovating his studio for a while and hadn't even had..., and lands on At this moment, Lu Xingchao was still in the dark..
Chapter 56 is the strongest chapter-level answer because it starts from Lei Shen originally had no idea about the trending topics on Weibo. and follows through on At this moment, Lu Xingchao was still in the dark..
If you want the clearest chapter reference, go to Chapter 67. Early on, I'm pissed," Jiang Yan cursed again, "These people are too much, aren't...; later, the chapter leans on They expect us to fend for ourselves even to sleep and to eat—I mean, at....
The best chapter pointer here is Chapter 65, "Jiang Li Missing?!". It opens with Several minutes later, the room remained silent. and closes on What's the deal with these two?.
The best chapter pointer here is Chapter 83, "Can Actually Carve Flowers?!". It opens with When they received the task, the three of them were already sharpening... and closes on Since all the guests were staying at Uncle Zhao's cabin, Director Sun....
A practical answer is Chapter 20, because it turns the idea into a concrete scene. The chapter opens with Several people turned their heads upon hearing the sound and saw three..., adds pressure through Miss Su, please clarify the situation and do not slander me unnecessarily., and ends on So, he.