One idea could be a baby superhero in a magical world. The baby discovers its powers while on an adventure. Another could be a baby detective solving simple mysteries in a small town. Or perhaps a baby prince/princess in a fairytale land dealing with the challenges of the court at a young age.
In baby role play fanfiction, you might consider a baby who is a wizard in training. The baby has to learn basic spells and potions in a Hogwarts - like school for babies. There could also be a baby astronaut story. The baby is part of a space exploration team, and they encounter strange new planets and alien species. A baby chef could be another idea. The baby creates delicious but messy meals in a fancy kitchen.
One interesting idea could be a role play where the characters time - travel back to the founding of Hogwarts. They could interact with the four founders and witness the creation of the houses and the magical school. Another idea is a role play where Harry and his friends are secretly enrolled in a wizarding university outside of the UK, and they have to adapt to a whole new set of magical rules and cultures. Also, a role play where they form a magical detective agency to solve mysteries in the wizarding world that the Ministry of Magic has overlooked.
The wife could be a fairy godmother and the husband could be a person in need of some magic. The wife can then use her 'powers' to grant wishes and solve problems in their make - believe world. This role - play is full of fantasy and can bring a lot of joy.
A really fun 'baby daisy and baby luigi fanfiction' could be set in a world of toys. They are toys themselves and they have to work together to escape from the clutches of an evil toy collector. They make friends with other toys along the way and use their unique skills, like baby Daisy's ability to find hidden paths and baby Luigi's courage, to overcome the challenges.
One idea could be to explore the Boss Baby's adventures in a different city. Maybe he gets sent on a secret mission to Paris and has to deal with French baby competitors. Another could be a time - travel story where the Boss Baby goes back to the era when his parents were kids and tries to change something in their past that would affect his present situation.
One idea could be exploring the daily adventures of a big baby in a magical world. Maybe they have special powers despite being in a baby - like state. Another could be about how the big baby forms unique friendships with other characters who are initially puzzled by this big baby concept.
A baby Homura fanfiction could focus on how she copes with the strange world around her. For example, she might be confused by the adults' actions and try to find her own sense of order. Maybe she starts to create her own little 'rules' in the house, like always arranging her toys in a certain pattern, which could be a sign of her future organized self in the original Homura story.
One interesting idea could be the unique way the baby's perception is shown while hypnotized. Maybe the baby has extraordinary dreams or visions that are not possible in a normal state.
Well, you could write a baby robin fanfiction where the baby robin is found by a kind-hearted child. The child tries to take care of the robin, learning about its needs and how to keep it safe. But then they have to face the dilemma of whether to keep the robin or set it free when it grows stronger. It can be a heart - warming story about friendship and responsibility.
One idea could be about baby Spyro's first flight. Maybe he's a bit clumsy at first and keeps crashing into soft bushes, but with the help of his dragon elders, he gradually gets the hang of it. Another could be baby Spyro making his first friends among the other small creatures in his world. He might be a bit shy at first but then discovers how fun it is to play with them.
A baby Alastor fanfiction could explore his relationship with other characters when he was young. For instance, perhaps there was a kind neighbor who noticed his strange behavior but instead of being afraid, tried to help him understand his powers. This neighbor could introduce him to music, which later becomes an important part of his character as Alastor grows up.