One interesting Spy x Family reaction fanfic could be about how the Forgers react to Anya getting a top grade in school. They might be overly excited and throw a big celebration. Another could be the neighbors' reaction to seeing Loid's spy skills in action by accident. Maybe they think he's just really good at parkour or something strange.
You can start by looking on popular fanfic websites like Archive of Our Own (AO3). Just type in 'Spy x Family reaction' in the search bar, and it'll show you a bunch of relevant stories. Another option is to check out fanfic communities on Reddit. There are often threads dedicated to Spy x Family where people share and discuss their favorite reaction fanfics.
Well, Spy x Family fanfiction can be really interesting. Some fanfictions might explore different relationships between the characters in more depth. For example, they could focus on the bond between Anya and Loid in a new situation that wasn't shown in the original manga or anime. It's also fun to see how authors play with the spy and assassin themes in unique ways.
Spy x Family manga has wrapped up. It provided a conclusive and fulfilling storyline that wrapped up all the loose ends. Now you can binge-read the entire series without any interruptions.