What are some possible plots in the 'little girl summons demon story'?

Often, the little girl might be in a desperate situation, like trying to save a loved one, which leads her to summon a demon. Maybe she discovers an old book or artifact that gives her the means to do it.

There could be a wise old mentor figure. This person might be aware of the girl's actions or the existence of demons in general. They could try to guide the girl, either to stop her from summoning the demon in the first place or to help her once the demon is there.

A local witch or wizard could be a main character. They sense the presence of the demon and come to help the girl. They might have their own motives, like they want to use the demon for their own gain or they truly want to save the girl from the demon's clutches.

One plot could be that Hannah finds a lost puppy. She takes care of it and tries to find its owner. Along the way, she meets different people in her neighborhood and has all kinds of small adventures.

Perhaps Audrey has a special gift, like being able to talk to animals. In the story, she uses this gift to help solve a mystery in her village. For example, the village's crops are being damaged and no one knows why. Audrey talks to the animals and finds out that there is a group of wild rabbits that are lost and accidentally eating the crops. So she helps the rabbits find their way back home, saving the village's harvest. This could be a great plot for the 'Audrey little girl story'.

One possible plot is that the little girl is lost in a forest. But she bravely uses her knowledge of nature to find her way out. She might look for a stream and follow it downstream until she reaches safety.

Yes, it's possible. In many fanfictions, the main character has to find a way to control whatever they summon. Harry, being a powerful wizard in the original series, might use his magic skills and knowledge to control the demon. He could use spells or magical objects to keep the demon in check.

A more complex plot could be that the girl discovers a magical portal in the back of the closet. She enters it and finds herself in a different world, full of strange creatures and landscapes. She then has to find her way back home through this new world, facing various challenges along the way. The closet serves as the gateway between her normal life and this extraordinary adventure.

One possible plot could be that the woman hypnotises her husband as part of a psychological experiment. She might be studying the effects of regression on adult behavior. Another plot could be that she does it accidentally through some new age relaxation technique that goes wrong. And perhaps in some stories, she hypnotises him to relive a childhood memory in order to help him overcome a current phobia or emotional issue.

One possible plot is that the girl was murdered and her ghost seeks revenge. She might haunt the killer or the place where she was killed.