The main character is obviously the kaiju girl. There might also be other characters like her friends who support her in her adventures. And of course, there could be antagonists such as evil kaiju controllers or other humans who oppose the kaiju girl's goals.
Typically, the kaiju girl is the central figure. Then there could be scientists or researchers who help her understand the kaiju better. There may also be some kaiju that are friendly or at least not immediately hostile towards her, and they could be considered important characters as well. Additionally, there could be family members of the kaiju girl who play a role in the story, either by being supportive or causing some sort of conflict.
If you want the clearest chapter reference, go to Chapter 261. Early on, The village chief's eyes nearly popped out after he heard the whole story.; later, the chapter leans on Their village had been harboring criminals involved in illegal wildlife....
Look to Chapter 281 for the clearest answer. It begins with In his dream, he found himself in a strange world., keeps building through The upper half was fire, the lower half sea., and lands on Are you okay?" Jiang Yan covered his wound, the pain causing him some....
A practical answer is Chapter 237, because it turns the idea into a concrete scene. The chapter opens with It seemed as if, believing the spilled water couldn't be recollected, Ah..., adds pressure through Who would have guessed, Director Sun followed with: "Let me congratulate..., and ends on The.
The best chapter pointer here is Chapter 218, "Let's Congratulate Jiang Yan on Harvesting 3000 Jin of Weeds!". It opens with However, what surprised the guests even more was that the harvest Director... and closes on Thinking about this, Jiang Yan started to feel his buttocks ache again; he....
The best chapter pointer here is Chapter 215, "Overthinking is a Disease, It Needs Treatment!". It opens with Jiang Li let out a light sigh and tried to adjust her posture. and closes on He originally just wanted to see if there was a chance to complete his....
A practical answer is Chapter 223, because it turns the idea into a concrete scene. The chapter opens with So, for the first time, Jiang Yan, who had always styled himself as the..., adds pressure through He could simply have someone send a flurry of gifts and make some..., and ends on The damned.
If you want the clearest chapter reference, go to Chapter 268. Early on, To ensure the company's successful listing, Shen Lan even went so far as...; later, the chapter leans on Everyone thought she was doomed to lose, but she managed to turn the....
If you want the clearest chapter reference, go to Chapter 222. Early on, How come they're even live streaming in a reality show?!; later, the chapter leans on LOL, the expressions on these people, each one more skeptical about life....
Chapter 282 is the strongest chapter-level answer because it starts from The other villagers quickly heard the commotion and hurried over. and follows through on Why isn't there a live broadcast reporting on their itinerary?] [Could....
If you want the clearest chapter reference, go to Chapter 224. Early on, Jiang Li, ranked number one, was directly taken by the staff to an elegant...; later, the chapter leans on The building had two floors, decorated in an elegantly serene manner,....