Well, Hermione might use Hedwig to send secret messages to Harry and Ron. Since Hedwig is Harry's owl, she could be a link between them during the summer when they're apart. Maybe Hermione discovers some new abilities of Hedwig, like the owl can sense danger in a different way.
In this kind of fanfiction, Hermione keeping Hedwig could lead to a deeper understanding of the magical bond between wizards and their familiars. She could start researching more about owls and their significance in the wizarding world. And perhaps through Hedwig, she gets involved in some sort of mystery related to Harry's family or the Order of the Phoenix.
One possibility is that Hedwig becomes a source of comfort for Hermione during a difficult summer. Maybe she's having family issues or is worried about the upcoming school year. Hedwig's presence gives her a connection to her friends and the wizarding world she loves. Also, Hermione could train Hedwig to do some unique tasks, like delivering messages to specific magical creatures. This could open up new storylines and adventures in the fanfiction.
I'm not sure of a specific fanfiction titled exactly that, but a lot of fanfics in the Harry Potter universe might have a scenario where Hermione looks after Hedwig. You could search on platforms like Archive of Our Own. Just type in 'Hermione and Hedwig summer' and you'll likely find some interesting reads that could potentially be what you're looking for.
One popular 'Hermione kept Hedwig' fanfiction might be 'The Bond of Owl and Witch'. In it, Hermione takes on the responsibility of Hedwig after Harry's disappearance. It shows how she cares for Hedwig and how Hedwig becomes a symbol of hope in the story.
One possibility is that Hermione manages to talk some sense into her parents and they release Hedwig. This would require her to explain the importance of Hedwig to Harry and the fact that she is just a normal owl in the wizarding world.
A great 'Hermione kept Hedwig' adventure fanfiction is the one where they join a group of rogue wizards. Together, they go on a quest to retrieve a powerful spell book. Hedwig serves as their lookout and Hermione uses her vast knowledge of magic to solve the puzzles they encounter on their journey. It's a really thrilling read.
There could be a really interesting story where the characters form new friendships and rivalries at the summer camp. For example, Iron Man could be mentoring a young tech - savvy camper, and Captain America could be teaching about leadership and teamwork. There might also be some drama when different personalities clash, like Thor and Loki having their usual brotherly squabbles in the camp setting, which adds an element of humor and conflict to the fanfiction.
In a Pokemon summer camp fanfiction, the story could revolve around the relationships between the trainers and their Pokemon. Maybe some Pokemon are having trouble adapting to the new environment of the camp, and their trainers have to find ways to comfort them. There could also be a mystery at the camp, like a series of disappearances of small Pokemon. The trainers then take it upon themselves to solve the mystery, which involves exploring the campgrounds, interviewing other trainers, and using their Pokemon's skills to gather clues.
Maybe they get into a bit of trouble while flying. For example, they accidentally fly too close to some protective wards around Hogwarts and set off an alarm. But instead of getting in trouble, they use their combined knowledge to figure out how to fix the wards from the air.
They could discuss magic theory. Snape is a master of potions and dark arts knowledge, and Hermione is extremely studious. They might exchange ideas about new spells or potion ingredients.
One possibility is that Spider - Man would struggle with the symbiote's darker impulses. The symbiote might try to influence him to be more aggressive in his crime - fighting, which could lead to him crossing some moral lines. For example, he might use excessive force against minor criminals.
If Hedwig was a phoenix in fanfiction, she could have the power of rebirth. So, if she were ever in danger or killed, she could rise from the ashes. This would add a whole new level of drama and protection for Harry. Also, phoenixes are associated with magic and prophecy, so Hedwig might be able to give Harry more insights or warnings.