Well, clearly Naruto and Cana are the main characters. Naruto, the energetic and determined ninja from the Hidden Leaf Village, brings his ninja skills and strong will to the story. Cana, with her magic abilities and sassy personality, makes for an interesting counterpart to Naruto.
It's also possible that new characters are created specifically for this fanfiction. These could be antagonists who try to keep Naruto and Cana apart, or they could be neutral characters who end up helping them in their journey. However, at the heart of it, Naruto and Cana are the main characters that readers are most interested in.
Chapter 119 is the strongest chapter-level answer because it starts from What is Princess Wen talking about? and follows through on For some reason, he always felt there was a mysteriously calming power....
A practical answer is Chapter 124, because it turns the idea into a concrete scene. The chapter opens with Since there were too many points cards inside Jiang Li's barrel, Director..., adds pressure through Always so impolite to Director Sun, that's a bit too much.], and ends on No need to repeat.
Look to Chapter 159 for the clearest answer. It begins with Seeing the red light of the camera turn on, Su Yinwan looked at the..., keeps building through Sorry, director, it was my staff who didn't arrange things well, that's..., and lands on Shang Shaobai, who was browsing through files.
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?.
Look to Chapter 107 for the clearest answer. It begins with On the plane, when He Yun had taken off his mask and greeted her..., keeps building through She had also figured out his current predicament of being trapped by..., and lands on Although Su Yinwan's recent change in temperament had been.
Look to Chapter 131 for the clearest answer. It begins with Just around mealtime, Director Sun came over pushing his small food cart., keeps building through There was a loudspeaker tied to the top of the cart, which was..., and lands on Hungry, they no longer cared about their appearance, quickly.
Chapter 146 is the strongest chapter-level answer because it starts from Director Sun: "???" Jiang Li smiled and said, "In the past, the show crew... and follows through on That way, they could maximize the traffic for their live broadcast..
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 109. Early on, And another thing," Jiang Li said, taking out a tissue to wipe her lips,...; later, the chapter leans on The next time we have a meal, don't try to chat with me unless you're fine....
Look to Chapter 108 for the clearest answer. It begins with In a glamorous Michelin three-star restaurant, Su Yinwan and Shang..., keeps building through The elegantly dressed waiters started streaming in, serving them various..., and lands on Hey, I've been waiting for you for so long, where have.