One great 'loid forger fanfic' could be one where Loid has to navigate a complex mission that involves protecting Anya in a very public and dangerous situation. Maybe he has to use his spy skills in a way that doesn't arouse suspicion among the civilians while still keeping Anya safe.
First, study the character of Loid Forger. Know his traits like his calmness under pressure, his intelligence, and his love for his 'family' in his own spy - like way. Then, come up with an interesting plot. It could be something related to his spy work, or something more domestic within the Forger family.
One great Loid x Yor fanfic is 'A Spy's Heart'. It delves into the deeper emotions of Loid as he starts to truly care for Yor beyond their fake marriage setup. It shows his internal struggle between his mission and his growing feelings.
I'm not sure specifically what 'loid yor fanfic' is about without more context. It could be a fanfiction related to some characters named Loid and Yor. Maybe it's a story that explores their relationship, adventures they go on, or some alternate scenarios in the world they are from.
By showing their shared experiences. For example, when they are both trying to protect Anya from something or someone. This common goal can bring them closer as they rely on each other's skills. They start to trust each other more and more with each passing situation.
A less obvious but still present theme is self - discovery. As they interact with each other, they learn more about themselves. Yor might discover her softer side through Loid, and Loid might find a new sense of purpose outside of his mission. This theme adds depth to their characters and the overall story of the fanfics.
One possible plotline could be Yor dealing with her pregnancy while still trying to keep her assassin identity a secret from her family. She might struggle with the physical and emotional changes that come with pregnancy while also maintaining her cover.
One common theme is the development of their relationship. Given their initial setup as a fake couple for a mission, many fanfics explore how they gradually come to truly care for each other.
You can try looking on popular fanfiction websites such as Archive of Our Own (AO3) or FanFiction.net. These platforms usually have a wide variety of fanfics, and there's a good chance you'll find 'loid yor fanfic' there if it exists.