The complex relationship between Hilda and Ange in the original series gives a lot of room for fanfic writers to explore. Their interactions, which range from being comrades to having a deeper emotional bond, can be delved into in different ways in 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.