I haven't actually read this specific fanfiction, but generally, in fanfiction involving Lucoa and Shouta from 'Dragon Maid', it might explore their unique relationship. It could be about how Lucoa, with her dragon nature, interacts with Shouta in different scenarios. Maybe it shows her protecting him or them having adventures together.
One great 'Ms Kobayashi Dragon Maid' fanfiction is 'A New Beginning'. It adds a really interesting new adventure for Tohru and Kobayashi, exploring Tohru's past in more depth.
One common theme is the contrast between their species. Lucoa being a dragon and Shouta a human creates an interesting dynamic. Another theme could be growth, as they learn from each other.
I've read a 'dragon maid lucoa fanfiction' that focuses on Lucoa's past. It delves deep into her history as a dragon in her original world. It describes how she came to be the way she is in the present day, with her unique personality traits. There are flashbacks of her interactions with other dragons and how she learned about the human world over time. This fanfiction really adds more depth to her character.
One of the main themes is the relationship between Kobayashi and Tohru. Their interactions, from Kobayashi's initial acceptance of Tohru into her home to their growing bond over time, are central. Another theme is about family and belonging. Tohru and the other dragon maids create a sort of surrogate family around Kobayashi, and they all learn to live together in the human world, adapting to human customs while still maintaining their dragon identities.
One popular idea is exploring different dragon cultures in the fanfic. Since the series has various dragons with their own unique traits, fanfics might delve deeper into how these dragon cultures function, like their social hierarchies or mating rituals. Another idea could be focusing on the daily life of Kobayashi and Tohru in more detail, such as how they handle holidays or special occasions that are important to dragons but new to Kobayashi. Also, some fanfics may create new dragon characters and explore their relationships with the existing cast.
One common theme is the exploration of cultural differences. Since the dragons come from a different world, fanfictions often play with how they interact with human culture. For example, they might be confused by human holidays or social norms.