As I don't know the exact 'eagle boy story', I assume the main character is the boy. There might also be eagles as important characters, perhaps an eagle that the boy has a special bond with.
If the 'eagle boy story' is a traditional story, there could be other characters like the boy's family members. They might oppose or support the boy's relationship with eagles. Also, there could be a villain in the story, someone who wants to harm the eagles or stop the boy from his connection with them. And of course, the eagles themselves are likely to be main characters, with different personalities or roles within the story.
In the 'eagle boy story', the obvious main character is the boy. However, depending on the nature of the story, there could be other characters like a wise old man who gives the boy advice about eagles. There might be other boys in the village or town where the protagonist lives, and they could either be friends or foes. The eagles, though, are bound to be central to the story, and there could be a lead eagle that the boy interacts with the most, perhaps leading the flock or having some special powers among the eagles.
A practical answer is Chapter 151, because it turns the idea into a concrete scene. The chapter opens with Now it was Zhang Cheng's turn to be confused., adds pressure through going to be able to stay after all?, and ends on I will have my assistant pay the bill..
Look to Chapter 118 for the clearest answer. It begins with At 8 in the morning, several guests appeared on time next to the..., keeps building through Seeing the five individuals walking together in unison, Director Sun was..., and lands on Hearing this, both Jiang Yan and Shu Yan started to.
Chapter 134 is the strongest chapter-level answer because it starts from After a brief noon rest, the production team was up to their antics again. and follows through on [Are you kidding me, is Jiang Li putting on an act again?.
Look to Chapter 103 for the clearest answer. It begins with Jiang Yan looked at Zhao Lang with suspicion, eyeing the dark substance in..., keeps building through It's not going to make my face fester, is it?" Zhao Lang smiled, "Do I..., and lands on Jiang Yan felt deep guilt welling up inside.
The best chapter pointer here is Chapter 87, "Temporary Replacement". It opens with Luckily, at that time, Jiang Li had already taken her pot of stinky... and closes on I'm driven crazy by him every day.] [+1 from above!.
Look to Chapter 100 for the clearest answer. It begins with The barrage was about to die of laughter., keeps building through [Hahahaha, help, why is the young master always being chased!] [Next door,..., and lands on Her eyes flickered slightly as she grabbed the hand..
Look to Chapter 111 for the clearest answer. It begins with The main room's door was pushed open just a crack, and the head of the..., keeps building through Miss Jiang, you're still up, that's great., and lands on This time it was in a dream..
If you want the clearest chapter reference, go to Chapter 114. Early on, As time passed, the number of viewers in the live broadcast gradually...; later, the chapter leans on After a whole day of trending searches yesterday, the popularity of....
Look to Chapter 147 for the clearest answer. It begins with Xiao Xueyi nodded in agreement after listening., keeps building through Su Yinwan seemed to have matured overnight, becoming more and more adept..., and lands on Only Jiang Li glanced back at Director Sun, and then took out her own....