One possible plotline could be the challenges they face in their relationship due to the unexpected pregnancy. Maybe they have to deal with the reactions of their friends and family.
I'm not sure specifically about 'Jack and Tooth pregnant' fanfiction. You could try searching on popular fanfiction websites like Archive of Our Own. They have a vast collection of fanfictions, and you might be able to find something related by using relevant tags and keywords.
In a fanfiction of this sort, the story could revolve around the reactions of other characters in their respective worlds. The other fairies might be shocked or excited for the Tooth Fairy. Jack Frost's friends could be skeptical at first but then come around. The pregnancy itself could bring about some sort of change in the balance of magic in their world. For example, the seasons might be affected by Jack Frost's emotions during the pregnancy, and the Tooth Fairy's collection of teeth could take on a new significance as she prepares for motherhood.
One common theme is friendship. Their relationship often starts as a simple acquaintance and develops into a deep and meaningful friendship. They support each other through various difficulties.
I'm not sure specifically which 'jack and tooth love fanfiction' is good. You could try searching on popular fanfiction websites like Archive of Our Own. There might be a variety of stories related to them there.
One idea could be that Jack Frost accidentally freezes the Tooth Fairy's wings while she's on her rounds. So she has to rely on Jack to help her get to all the children's houses. In the process, they start to understand each other's worlds better and become friends.
They often interact as allies. For example, they might join forces to protect the magic of childhood. Jack Frost can use his cold powers to create barriers against threats, while the Tooth Fairy uses her knowledge of the magical essence of teeth to heal any damage.
There could be. A lot of times, in the realm of fanfiction, the most unexpected pairings can lead to really interesting stories. For 'jack frost and tooth fairy love' fanfiction, it might explore how two such different mythical beings interact and fall in love. It could involve them meeting in a magical realm and gradually realizing their feelings for each other. Writers might play with their unique characteristics, like Jack Frost's cold powers and the Tooth Fairy's connection to teeth and childhood.
The main characters are obviously Jack Frost and Baby Tooth. Jack Frost is often depicted as a fun - loving, mischievous spirit of winter. He has the power to control ice and snow. Baby Tooth, on the other hand, is a tooth fairy. She is very small and cute and has a big role in collecting teeth from children. In fanfiction, they usually interact in various ways, like going on adventures or just having friendly chats.