Another theme is adventure. Many fanfics put them on exciting adventures together, which tests their relationship and makes it stronger. They could be exploring a mysterious magical realm or facing a powerful enemy.
One popular yukino x sting fanfic is 'A Meeting of Souls'. It beautifully depicts their relationship development, with detailed descriptions of their interactions and how they gradually come to understand each other's feelings.
The writing style matters a great deal. A fanfic that uses vivid language to describe their emotions and interactions is more engaging. For instance, when describing the moments of their growing closeness, detailed descriptions of their body language, the looks in their eyes, and the words they exchange can make the story really come alive.
A common plot in Sting and Yukino love fanfiction is the idea of a forbidden love. Given the guild politics and their own personal standings, they might have to keep their relationship a secret at first. This adds an element of mystery and drama to the story. Some stories also feature them saving each other from dangerous situations which then leads to a deepening of their bond and the realization of their love.
I'm not sure if there is a specific 'lucy x sting' fanfic rated M. You could try searching on popular fanfic websites, but make sure to follow their terms and conditions.
Love and friendship are common themes. Usually, it focuses on how the reader and Sting develop feelings for each other, whether it's a slow - burn romance or a sudden spark. Another theme could be adventure, where they go on quests together.
I'm not sure about specific 'natsu x yukino lemon fanfic' as it might involve inappropriate or non - canon content. But you could try looking on some general fanfiction websites like Archive of Our Own and search for Natsu and Yukino fics that are more in line with the original story's themes.
Writers often start with small moments of interaction. For instance, a simple conversation between Sting and Yukino where they share their dreams can be the starting point. Then, they gradually build on these interactions. They might add in some jealousy plotlines, like when another character shows interest in Yukino and Sting gets jealous, which reveals his true feelings.
There's 'Sting and the Reader: A Bond Forged'. In this fanfic, the author beautifully depicts how the reader and Sting meet and gradually form a deep connection. It shows their relationship evolving over time, and the writing style is quite immersive.
Another place could be FanFiction.net. It has a wide range of fanfics including ones about Hikigaya and Yukino. However, the quality can vary more compared to AO3. You might need to do a bit more sifting through the stories to find the really good ones.