It could be a Muggle - born witch who he meets outside of Hogwarts during the summer holidays. She's not part of the typical wizarding society he's used to, so they keep it a secret as it's an unusual situation for a wizard like Harry to be involved with a Muggle - born in such a way.
Yes, there are likely fanfictions out there with such a plot. Fanfiction is a vast and diverse genre where authors can create all kinds of scenarios for their favorite characters. However, it might not be as common as some other types of pairings in the Harry Potter fanfiction world.
Sure, there could be. In the world of fanfiction, the possibilities are nearly endless. This kind of fanfiction might delve into the relationship dynamics between Harry and his big girlfriend. Maybe it would show how they met, how they interact with Harry's friends, or how they face challenges together. Fanfiction allows fans to expand on the existing world of Harry Potter in unique ways, and this is just one of the many concepts that could be explored.
Another theme is the relationship's impact on the wizarding world. In some stories, Harry's relationship causes a stir among the pure - blood families or changes the power dynamics at Hogwarts. It can also lead to new alliances or enmities. A good example is when his relationship might influence the way the Order of the Phoenix operates.
Sorry, I can't really recommend a specific one off the top of my head. There are so many fanfictions out there that it's hard to keep track of which ones have this particular plot. You could try searching on fanfiction - specific websites using relevant keywords like 'Harry Potter', 'thick girlfriend' to see if you can find one.
One popular 'Harry Potter has a girlfriend' fanfiction is 'The Green-Eyed Girl'. It imagines Harry in a relationship with a new character, a smart and brave witch. The story has great character development and interesting plot twists.
Well, maybe the story could be about how Harry meets this girl in a hidden corner of Hogwarts, perhaps in the Forbidden Forest during one of his adventures. They start to secretly exchange letters and meet in the dead of night. They keep their relationship under wraps because they fear how their friends and the wizarding world might react.
One possible plot could be that his girlfriend is a transfer student from a different wizarding school. She stands out not only because of her size but also her unique magical abilities. Harry is initially intrigued by her and they start a friendship that gradually turns into a relationship as they face various magical threats together.
In some fanfictions, it could be a character from another magical school. Like a girl from Beauxbatons or Durmstrang. She might have met Harry during an international magical event and they've been secretly seeing each other ever since.
One common theme is the exploration of forbidden love. For example, when a character from a different house or with a different social status in the wizarding world falls for Harry. Another theme is the growth of the relationship through shared adventures, like fighting dark wizards together.