Their friends from their group would likely be main supporting characters. For instance, Hiro could be really excited about becoming an uncle and might be constantly coming up with ideas for the baby. GoGo could be the practical one, helping them with things like finding a good doctor or setting up a budget for the baby's expenses.
Well, if it's a fanfiction about Tadashi and Honey Lemon being pregnant, it could be really interesting. Maybe the story could explore how they deal with the upcoming new life. It might show their different reactions, like Honey Lemon being super excited about all the scientific possibilities of having a baby, while Tadashi is more worried about being a good father and providing for the family.
One possibility could be a story that focuses on how they adjust to the upcoming new life. Maybe it shows their excitement as they prepare for the baby, like shopping for cute baby clothes and setting up the nursery. It could also include how their friends and family react to the news, with some being super supportive and others a bit worried at first.
Some Tumblr blogs are dedicated to Big Hero 6 fanfics. You can search for Tadashi and Honey Lemon related tags on Tumblr, and you might discover some hidden gems that bloggers have written and shared.
There could be a fanfic where Tadashi and Honey Lemon go on a trip to a scientific convention. Along the way, they share their dreams and fears. Honey Lemon might be excited to learn about new inventions, while Tadashi is more interested in the engineering behind them. This shows their different yet complementary personalities.
You can try fanfiction.net. It has a large collection of fanfics from various fandoms, including ones for Honey Lemon and Tadashi. Just use the search bar and type in their names to find relevant stories.
Friendship is a very common theme. They are often shown as really good friends who are there for each other through thick and thin.
One good fanfic could be 'A Day in the Lab'. It shows Honey Lemon and Tadashi working on a new project together, with some sweet moments of their friendship. They face challenges and overcome them with their combined skills and mutual support.
One aspect of this fanfiction could be the change in their relationship dynamic. With a baby on the way, they would have to rely on each other more. Tadashi might become more protective of Honey Lemon, and she would appreciate his care even more.
A common theme is friendship. They are both part of the Big Hero 6 team, so fics often explore how they support and care for each other as friends.
Leafpool could be a main supporting character. As Squirrelflight's sister, she could offer her medical knowledge and emotional support during the pregnancy. Bramblestar would also be important. As Squirrelflight's mate, he could be there to protect her and help with preparing for the kits.