One common theme is friendship. Since Tails and Cosmo are friends, many fan fictions explore how their friendship endures different trials and tribulations. For example, they might face a powerful enemy together, and their friendship is what gives them the strength to fight back.
One great Tails Cosmo fan fiction is 'Tails and Cosmo's Adventure'. It tells a story of them exploring a new and mysterious planet together, facing various challenges and growing closer in the process.
They would become more protective of each other. Tails would be constantly looking out for Cosmo during her pregnancy, making sure she's comfortable and has everything she needs. Cosmo would also be more dependent on Tails, and their bond would strengthen as they are about to become parents.
One common theme is sacrifice. Since Cosmo has a selfless nature in the original story, fanfictions often explore her willingness to sacrifice for the greater good or for Tails. Growth and self - discovery are also themes. Tails, being a young and intelligent character, often goes through experiences in fanfictions that help him understand himself and his place in the world better. This is sometimes related to his relationship with Cosmo, as she can be a catalyst for his growth.
One common theme is friendship. Tails and Cosmo are often depicted as having a very strong bond. Another theme is adventure, as they are usually involved in some exciting exploration or mission.
Another theme is growth. Both characters develop throughout the fanfictions. Tails might become more confident in his abilities outside of just technology, and Cosmo could learn more about the world around her and how to better control her powers. This growth is often a result of their experiences together and the challenges they face as a duo.
One possible idea in Cosmo and Tails vines fanfiction could be their adventure in a magical forest. Cosmo, with her plant - like abilities, might discover a new type of flower that has the power to heal any injury. Tails, being the smart inventor, would try to analyze the flower's properties. They could face challenges like protecting the flower from evil forces who want to use it for bad purposes. This would create an exciting story full of action and discovery.
Another great author could be [Author Name 2]. Their fanfics usually have really unique plotlines. For example, they might have a story where Cosmo and Tails get transported to an alternate dimension. The way they describe this new world and how Cosmo and Tails adapt to it is truly engaging.
In Cosmo and Tails' love story, it could start with a chance encounter. Cosmo, perhaps a new arrival in their world, catches Tails' eye. Tails is curious about her and starts to get to know her. Cosmo, on the other hand, is impressed by Tails' skills and his big heart. They go on little adventures together, and during these times, they share their dreams and fears. This sharing creates a deep bond between them, and soon love blossoms. They support each other in every situation, and their love story becomes an inspiration for those around them.
I'm not sure about the common themes in this specific 'cosmo and tails collar fanfiction' as I haven't studied it in detail. But it could potentially involve themes of friendship, adventure, or unique relationships given the characters of Cosmo and Tails.