Perhaps Wong Yun Fat is being controlled by some evil force. This force compels him to kidnap Rain. Rain could be a key figure in some prophecy or something like that. So Wong Yun Fat's actions are not entirely his own will. He takes Rain to a secret location, and Rain has to use his wits to escape while also trying to figure out why Wong Yun Fat is doing this.
In a more complex plot, Wong Yun Fat might kidnap Rain because he wants to teach him a lesson. Rain could be a rising star in their world and Wong Yun Fat, an old - timer, feels threatened. He kidnaps Rain to show him the harsh realities of their world. Wong Yun Fat could take Rain on a journey through different parts of their fictional land, showing him the good and bad, and in the end, Rain might either become friends with Wong Yun Fat or vow to take revenge.
It could be Rain's best friend. This friend might be a very skilled fighter or detective - like character. He would start to search for Rain immediately after learning of the kidnapping. He would follow the clues left behind by Wong Yun Fat and his accomplices. And in a final showdown, he would rescue Rain from Wong Yun Fat's clutches.
Themes in this kind of fanfiction can be quite diverse. There could be a theme of mystery, like why Wong kidnapped Rain in the first place. Is there some hidden agenda or secret that Rain is a part of? Another possible theme is the relationship between the captor and the captive. It could start as a hostile relationship but develop into something more complex over time, such as an unexpected bond or understanding. Additionally, themes of survival and escape might be present as Rain tries to find a way out of the situation.
One possible theme could be rescue. If Rain G is kidnapped by Yun Fat, then the story might revolve around someone coming to rescue Rain G.
I'm sorry I can't provide you with a particular 'wong kidnaps rain fanfiction' story. But if it's a relatively niche or new concept, you could try reaching out to relevant fan communities. There are often forums or groups dedicated to specific types of fanfiction. You can post there asking if anyone has written or knows of such a story. Also, be cautious when exploring new fanfiction as some might contain elements that are not in line with your preferences.
I'm sorry, I haven't come across such specific 'yun fat kidnaps rain g gundam fanfiction' stories, so I can't recommend any directly.
One possibility is that Artemis has been misinformed. Some enemy of Percy has tricked her into thinking that Percy is a danger to the demigods. So she kidnaps him to stop him from causing harm. But as she keeps Percy captive, she slowly realizes that she has been deceived when Percy starts to explain his side of the story and the real threats he has been fighting against.
The plot could involve the Phantom seeing Christine as his only salvation from his lonely and tortured existence. So, he kidnaps her with the intention of making her understand his world. He may show her his musical creations, hoping she'll come to love him in return. However, Christine might be initially terrified and try to escape.
In some fanfictions, Aizawa might be under the influence of a villain's quirk that makes him act against his will. So, he kidnaps Izuku, but later on, he realizes what he's done and tries to make amends. This could lead to a story full of drama and redemption.
One possibility could be that Minato was under some kind of mind - control spell. Maybe an enemy of Konoha managed to manipulate him into thinking that Naruto was in danger by being in the village. So, Minato kidnaps Naruto to take him to what he believes is a safer place. But as the story unfolds, Naruto tries to figure out what's wrong with his father and tries to break the spell on him.
One possible plot could be that Klaus believes Bonnie has the key to a powerful spell that could help him gain ultimate power. So he kidnaps her. He whisks her away to a remote island. There, he tries to persuade her to help him, using both threats and false promises. He might start off being cruel but then gradually start to have some strange respect for her as she resists him.