One possible plotline could be the challenges they face as they prepare for the arrival of the baby. This might include things like getting their home ready, dealing with the reactions of their friends and family.
I'm sorry, I'm not aware of specific fanfictions about Cana and Bacchus being pregnant. You could try searching on popular fanfiction websites like Archive of Our Own or Fanfiction.net.
A great Cana x Bacchus fanfiction often has well - developed characters. It should stay true to their personalities as seen in the original Fairy Tail series. For example, Cana's love for alcohol and her strong - willed nature, and Bacchus' party - loving and somewhat competitive side.
One common theme could be the exploration of their relationship. How they interact, get to know each other better, etc.
One plot idea could be Bacchus and Cana teaming up for a drinking competition that turns into a magical adventure. As they drink, they start to unlock hidden magical powers within themselves that they didn't know they had. Another idea is a story where Bacchus helps Cana overcome her insecurities about her magic. He could use his own experiences to guide her and in the process, they develop a deep friendship. Or perhaps a plot where they are both on a quest to find a rare magical item that has a connection to their families' pasts.
Typically, it might focus on the changes in the character Cana's life due to pregnancy. It could explore her emotions, relationships with other characters, and how the pregnancy impacts her daily life within the context of the fictional world she belongs to.
One possible plotline could be about the challenges Reshiram faces during pregnancy. For example, how it adjusts to its changing body and powers. Another could be the reactions of other Pokémon characters in the story, whether they are supportive or not.
One possible plotline could be the challenges she faces during her pregnancy. Maybe she has to deal with the reactions of her friends and family within the fandom's world. Another could be how she manages her normal duties or adventures while being pregnant.
One possible plotline could be how Nami and the other Straw Hat crew members react to her pregnancy. Maybe they would be overly protective or excited. Another could be about Nami dealing with the physical and emotional changes during pregnancy while still being part of the crew's adventures.
One possible plotline could be that Tinkerbell's pregnancy is a magical accident. Maybe she was exposed to some strange magic that caused this unexpected situation. Another could be that she is in love with a fairy or a character from the Peter Pan universe and they are starting a family together.
A possible plotline could be that at first, they are shocked by the pregnancy but then gradually accept it and start planning for their future together.