Well, in fanfiction, when Harry goes alone to the ball, he could end up being the center of attention in an unexpected way. Since he's alone, people might be curious about him. He might also use this time alone to observe the other characters more closely, learning secrets or motives that he wouldn't have noticed if he was with friends. And who knows, he could start a new trend of going solo to the ball, making others think it's a cool and independent thing to do.
He might meet some interesting characters there. Maybe he'll encounter a famous tennis player who gives him some tips on the sport.
Maybe he'll be looking for a magical destination. He could be seeking a place to find new magical creatures or study ancient magic. The travel agent might offer him a trip to a hidden wizarding village in the Alps, full of unique spells and potions.
He might interact with Luna Lovegood. She's always open to new and interesting conversations, and she could approach Harry when she sees him alone.
In some fanfictions, it could be a really charming scenario. Harry might feel a bit out of his depth at first because Fleur is so confident and beautiful. But they could end up having a great time at the ball, dancing gracefully and sharing interesting conversations. Maybe Harry would learn a lot about the Beauxbatons culture from Fleur too.
In this fanfiction, they might have a really magical time at the Yule Ball. Maybe they start off a bit awkwardly, as Harry is often shy in such social situations. But Luna's unique charm could put him at ease. They could share a slow dance, and Luna might point out some of the strange and wonderful magical creatures that are part of the ball's decorations to Harry.
Well, she could meet a lot of new friends at the birthday party. There would be various fun activities like playing party games. Maybe she'll receive a really nice gift as a party favor too. And of course, she'll sing the birthday song along with everyone else, which is always a warm and happy moment at a birthday party.
Harry could have a very interesting journey when he discovers anime fanfiction. Given his likely inquisitive nature, he would probably be fascinated by the various interpretations of anime characters in the fanfiction. He may start to compare and contrast the fan - created stories with the original anime plots. This could also lead him to engage with the anime fan community, sharing his thoughts and findings, and in the process, make new friends who share the same passion for anime fanfiction.
When Harry goes with others, he has to consider their opinions and keep up with the group. But going alone, he can do whatever he wants at his own pace. He might explore parts of the ball that his friends would not be interested in.
He might meet some interesting new friends. In fanfiction, the gay club could be a place full of unique characters. Harry could engage in deep conversations about various topics like art, music or the LGBT+ community's experiences.
Well, it could be that the teacher suspects some dark magic activities in the alley and takes Harry along to show him how to detect and deal with such things. They might encounter some dodgy characters along the way, like shady potion sellers or wizards trying to sell illegal magical artifacts.