There could be. A lot of fanfic writers come up with unique family relationships for their stories. To find a 'Harry Potter is Caroline's cousin' fanfic, you should check out the Harry Potter section on different fanfic platforms. Some smaller, more niche fanfic communities might also have it. You could also try reaching out to Harry Potter fanfic groups on social media and ask if anyone has come across such a story.
Well, it's very likely that there is a fanfic with that premise out there. Fanfic writers are extremely creative and often explore different family dynamics in the Harry Potter universe. When searching for it, make sure to be as specific as possible in your search terms. On AO3, for example, you can use filters to narrow down the results by things like word count, rating, and genre. You might also want to look for any related tags that could lead you to the fanfic. For instance, if Caroline has a specific backstory or characteristic in the fanfic, look for tags related to that.
Chapter 128 is the strongest chapter-level answer because it starts from Still hungover, Huo Ziyang had just awakened from a blurry dream when his... and follows through on There had been no shortage of Weibo posts criticizing Jiang Li before..
Chapter 141 is the strongest chapter-level answer because it starts from It had happened in the afternoon when Aunt Ying's son and daughter heard... and follows through on Jiang Li couldn't help but laugh and cry..
Chapter 172 is the strongest chapter-level answer because it starts from Not only Shu Yan, but the entire internet was shocked when they saw Su... and follows through on Where's the chaotic scene I was anticipating?. The payoff is that the chapter closes with "Jiaojiao, are you surprised?
If you want the clearest chapter reference, go to Chapter 175. Early on, Wen Jiaojiao's eyes nearly rolled back into her head.; later, the chapter leans on If you know you're sorry, why did you take so long and even redo your hair....
The best chapter pointer here is Chapter 169, "This is What Happens to Show-offs!". It opens with Everyone: "What?!" Seeing the shocked and bewildered expressions on their... and closes on Wen Jiaojiao, as if to prove herself to Jiang Li, rolled up her sleeves....
Look to Chapter 146 for the clearest answer. It begins with Director Sun: "???" Jiang Li smiled and said, "In the past, the show crew..., keeps building through But most of the dishes tonight are made by the villagers., and lands on That way, they could maximize the traffic for their live.
The best chapter pointer here is Chapter 127, "He's Not Snobbish, Just Simply Bad-Tempered". It opens with Witnessing Jiang Li leave with a bucket, Jiang Yan refused to admit... and closes on He Yun, who chose the codonopsis, became the one with the most challenging....
The best chapter pointer here is Chapter 129, "Spent Millions Only to Drive Traffic to Jiang Li?!". It opens with When they saw that the live chat was full of praise for Jiang Li, those... and closes on With that thought, he smugly turned on his phone..
A practical answer is Chapter 167, because it turns the idea into a concrete scene. The chapter opens with By the experimental field, Qi Tianyu was quite helpless as he watched Wen..., adds pressure through I'm not familiar with the others;
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.