Maybe there could be a character who is on a quest to understand the giantess. This character could be a brave adventurer or a curious scientist - like figure. They would be the ones trying to figure out the secrets behind the giantess and her feet, and their presence in the world.
The giantess mom's family members are key. There could be a mischievous son who often gets into trouble because he doesn't fully understand his mom's giant - ness. And a daughter who is very proud of her mom and wants to be like her when she grows up. Also, there could be an antagonist, perhaps a jealous smaller - sized villain who tries to undermine the giantess mom's good deeds in the community.
It could also be about the mystery. Giantess feet are not a common sight in everyday stories. So the story might revolve around the mystery of where this giantess came from, what her purpose is, and how her presence with such large feet affects the world around her.
There could be a young protagonist within the family, perhaps a teenage boy or girl. They might be the one who first discovers the existence of the giantess and the family bindings. The giantess would be a central character as well. There might also be an old family member, like an aunt or an uncle, who knows some secrets about the family and the giantess but has been keeping them quiet for a long time.
The main characters would obviously be the shrunken man and the giantess. The shrunken man could be an ordinary person, like a school teacher or a mechanic, who suddenly finds himself in this strange situation. The giantess could be a powerful being, perhaps a queen in her own world, with a kind heart despite her intimidating size.
I'm not sure specifically as it could vary. It might be a giantess and a regular - sized human. Maybe a male human who falls in love with the giantess.
In the 'giantess family story', the grandparents of the family could be main characters. They might have a lot of wisdom to pass on to the younger generation about how to live as giantesses. Also, there could be an aunt or an uncle who has some special abilities or knowledge that helps the family in times of trouble. For example, an aunt who can communicate with animals and uses this ability to protect the family's large - scale farm from pests or other threats.
It could be Meg. Since she's often the outcast in the show, turning her into a giantess could be an interesting twist. It would give her a new - and very literal - form of power and attention that she doesn't usually get in the show.
The main character could be a popular girl in school who becomes a giantess overnight. This completely changes her social status. Some of her so - called friends turn their backs on her, but she makes new ones among the outcasts. She uses her new size to stand up to the school bullies and in the process, she transforms the school into a more inclusive and accepting place.
The husband would obviously be a main character. He has to deal with the changes his wife is going through. Also, there could be a scientist or a wizard who might be involved in the cause of her growth, either accidentally or on purpose.
There could be a giantess girl as the main character. She might be the new student in high school, trying to find her place among others.