There could be a fanfiction where Tsukushi and Tsukasa are expecting a child. It might explore how they prepare for the new arrival. For example, they could be shown shopping for baby clothes and setting up a nursery. The story could also delve into their emotions, like Tsukushi's excitement and Tsukasa's nervousness about becoming parents.
You can try fanfiction websites like Archive of Our Own (AO3). It has a large collection of fanfics from various fandoms, and there's a good chance you'll find some great anzai and tsukasa fanfics there.
Another theme can be personal growth. In many fanfics, both Tsukasa and Tsukushi might face difficulties that force them to grow and change. They support each other during this process, which is a great aspect of these stories. For example, Tsukasa might be shy at first but becomes more confident with Tsukushi's encouragement. Tsukushi, on the other hand, might learn to be more patient or understanding through their relationship.
Often, you'll see themes related to self - discovery. Tsukasa and Tsukushi might be on a journey to understand themselves better while being in the relationship. Also, there are fanfics that focus on the power dynamics between them, as they might have different social standings in the original story. This creates an interesting dynamic in the fan - created stories.
There's a fanfiction titled 'Tsukasa and the Mysterious Object'. In this story, Tsukasa stumbles upon a strange object and her curious nature leads her on an adventure. It's full of humor and the interactions between Tsukasa and the other characters are really well - written.
Love and relationship development are very common themes. Writers often explore how Tsukasa and Nasa's relationship evolves over time. Another theme could be adventure, where they go on various quests together and their relationship is tested and strengthened during these experiences.
To be a good Lucky Star Tsukasa fanfic, it needs to be true to the source material. Tsukasa's voice and mannerisms should be recognizable. It could include her love for food, especially her favorite treats. Maybe the fanfic could have a plot where she discovers a new delicious snack and shares it with her friends, all while her unique personality shines through.
One idea for a Tsukushi and Tsukasa pregnant fanfiction could be that they go on a journey during the pregnancy. They might travel to a special place where they can relax and bond before the baby arrives. It could be a beach town or a quiet mountain village.
One popular trope could be the 'forbidden love' aspect. Since they might have some obstacles in the original story, this can be explored in fanfiction.