It might be that Harry bought Cho a book that she had been wanting. This simple act could be a way to show his interest in her and start a series of interactions. The fanfiction could then delve into how Cho reacts to this gesture, whether she realizes Harry's feelings, and how their relationship progresses from there. It could also involve other characters' reactions to this event, adding more depth to the story.
Perhaps in the fanfiction, Harry bought Cho a ticket to an event, like a wizarding concert. This could lead to them spending time together and developing their relationship further. The story might explore their feelings during this experience and how it impacts their connection.
It could be about Harry buying something for Cho as a gift. Maybe it's a special item related to their time at Hogwarts, like a Quidditch souvenir.
Perhaps in this fanfiction, Harry bought Cho's contract to get closer to her. He might have feelings for her still and this is his rather strange way of showing it. Then they could start to work together on something, like fighting against a new threat in the wizarding world. As they spend time together due to the contract, their relationship could either rekindle or they could just become really good friends.
Well, perhaps in the fanfiction, the pregnancy is a result of a magical accident. Cho could be worried about how her family will react, especially since she's still at Hogwarts. Harry, on the other hand, is determined to be there for her. They start to plan for their future, looking into ways to balance their studies and impending parenthood. They might also have to deal with the gossip and rumors that spread throughout the school.
In this type of fanfiction, it could be that Harry has some unresolved issues from his past relationship with Cho. He sees Ginny as a distraction from dealing with those. But as time goes on, he can't ignore the pull he still feels towards Cho. He may leave Ginny when he realizes that he can't move forward in his life without exploring what could have been with Cho again.
I'm not sure specifically as there could be many interpretations. It might be about Harry helping Cho in some way related to her debt, perhaps he uses his resources to pay it off and then there could be a story of how this action affects their relationship, be it friendship or something more romantic.
A plot could revolve around Cho and Harry getting married and then having to deal with a dark wizard who is targeting them because of their combined power and influence. They would have to use their skills and the help of their friends to defeat the dark wizard and protect their marriage and the wizarding world.
Fanfiction.net could also be a good place to search. There are numerous Harry Potter - related fanfictions there. Just use the search function and type in relevant keywords from 'harry bought cho fanfiction' to see if it exists.
One possible plot element could be Cho using her knowledge of the wizarding world. For instance, she might take Harry to a secret place in Hogwarts she discovered, like a hidden room filled with ancient magic artifacts, as a way to spend time alone with him and get closer.
Well, it could be about Harry and Cho finding themselves in the world of Ranma. Maybe they get involved in Ranma's cursed spring adventures. They might have to help Ranma deal with his rivals while also trying to find a way back to their own world.
The main characters would be Harry and Cho. Harry is the one making the big move of buying the contract. Cho, on the other hand, is the one whose contract is being bought. But we could also see characters like Luna Lovegood popping up. Luna could offer some really out - of - the - box thinking on why Harry did what he did and how Cho should react. And of course, Dumbledore might also play a role, perhaps guiding Harry from the sidelines or having some prior knowledge about the contract situation.
In this fanfiction about the Yule Ball, there are many possibilities for Harry and Cho. They could be initially hesitant around each other. However, the Yule Ball is a special event full of magic and wonder. Maybe they find a quiet corner to talk, away from the noise and the crowd. During their conversation, Cho might open up about her feelings for Cedric, which could lead to Harry comforting her in a new and deeper way, strengthening their bond.