You can try fanfiction websites like Archive of Our Own (AO3). There are a large number of Harry Potter fanfics involving Nagini on it. Just use the search function and type in 'Harry Potter Nagini' to find relevant stories.
Fanfiction.net is also a great place. It has been around for a long time and has a vast collection of Harry Potter fanfiction. Look for the category related to Harry Potter and then search specifically for Nagini within those stories. However, the quality may vary, so you might need to read the summaries and reviews before choosing one.
Another option is to check out some Harry Potter - focused fan communities on social media platforms like Reddit. There are subreddits dedicated to Harry Potter fanfiction where users often share and discuss their favorite stories involving Nagini or other elements from the series.
Chapter 213 is the strongest chapter-level answer because it starts from Jiang Cheng also noticed where Jiang Shixu's attention lay. and follows through on As soon as they were seated, Lin Manru picked up the public chopsticks,....
Look to Chapter 246 for the clearest answer. It begins with At that moment, not only Su Yinwan but also Shang Shaojing's complexion..., keeps building through Beside them, Shu Yan wore the shocked expression of someone who had got..., and lands on Your phones have also been placed at each of your.
Look to Chapter 233 for the clearest answer. It begins with [What the hell, what's this about life span ending??, keeps building through Could it be.....] [Ahhhhhh help, bullet screen shield me, it's broad..., and lands on After all, a real big shot's birthdate wouldn't be so twisted, could.
Chapter 246 is the strongest chapter-level answer because it starts from At that moment, not only Su Yinwan but also Shang Shaojing's complexion... and follows through on Your phones have also been placed at each of your seats, you can check....
If you want the clearest chapter reference, go to Chapter 229. Early on, Huo Ziyang's face had already turned deathly pale.; later, the chapter leans on Huo Xuan, how did she come to know about this?!.
The best chapter pointer here is Chapter 232, "He's a Pure Man! Purebred!". It opens with But soon, she suppressed this strange feeling and slowly began to speak,... and closes on The moment he saw the information come through, Jiang Li fell silent..
The best chapter pointer here is Chapter 254, "Madwoman! She is definitely a madwoman!". It opens with Just when everyone thought that Jiang Yan wouldn't last long and would... and closes on A Jiang Li whose head was only filled with books and who never joked or....
Look to Chapter 216 for the clearest answer. It begins with The production team also took advantage of the situation to start an..., keeps building through The enthusiasm has not dwindled over time., and lands on However, the next second, He Yun, who had hardly ever spoken to him,....
The best chapter pointer here is Chapter 237, "Top of the Three Lists! Truly Deserved!". It opens with It seemed as if, believing the spilled water couldn't be recollected, Ah... and closes on The netizens responded in chorus, and no one insisted on forcing Jiang Li....
Look to Chapter 246 for the clearest answer. It begins with At that moment, not only Su Yinwan but also Shang Shaojing's complexion..., keeps building through Beside them, Shu Yan wore the shocked expression of someone who had got..., and lands on Your phones have also been placed at each of your.