One possible plotline could be that Osomatsu is kidnapped by a rival gang who wants to use him as a bargaining chip against his brothers. His brothers then have to go on a wild adventure to rescue him, facing various challenges along the way. Another plotline might be that he is kidnapped by a crazy fan who is obsessed with him and wants to keep him all to herself. Osomatsu has to figure out how to escape while dealing with the fan's erratic behavior. And a third plotline could be that he is kidnapped by an evil entity from another dimension who mistakes him for someone with special powers.
Well, in a fanfiction where Osomatsu is kidnapped, it could start with him being lured into a trap. Maybe he's kidnapped by a mysterious figure who has a vendetta against the Matsuno family. His brothers would be in a panic, trying to find any clues. One aspect could be that Osomatsu tries to befriend his kidnapper, like in those stories where the captive and captor develop an odd relationship. Or perhaps the kidnapper is actually an alien who thinks Osomatsu is a key to some sort of intergalactic plan. So, there are a lot of directions the story could go.
A possible plot for the Osomatsu kidnapped fanfiction could be that he's kidnapped while on one of his usual outings. The kidnapper could be a disgruntled former acquaintance who blames Osomatsu for something. As he's held captive, Osomatsu discovers that the kidnapper has some deep - seated issues that led to this act. Meanwhile, his brothers are scouring the city, using their unique skills and personalities to track him down. For example, Choromatsu might use his more organized nature to follow leads, while Todomatsu could use his charm to get information from people. In the end, it could be a story of redemption for the kidnapper or a big showdown between the Matsuno brothers and the kidnapper.
One possible plotline could be that a deranged fan kidnaps the Beatles in an attempt to force them to play a private concert just for them. Another could be that a rival music group arranges the kidnapping to try and stop the Beatles' rise to stardom.
It could be an envious rival. Maybe someone who's always been in the shadow of Osomatsu and his brothers and decides to take matters into their own hands by kidnapping Osomatsu. Another option is a deranged collector. This person might see Osomatsu as a rare item to add to their collection of oddities. Or it could be a vengeful spirit. In a more supernatural setting, a spirit with a grudge against the Matsuno family could kidnap Osomatsu as a form of revenge.
One possible plotline could be that Stiles' friends immediately start a search. They might follow clues like strange footprints or a mysterious note left behind. Another could be that Stiles manages to outwit his kidnappers in some way while being held captive, perhaps by tricking them into revealing their weaknesses. Maybe the kidnappers are after something Stiles knows, like a secret about the supernatural world in the fanfiction's setting.
One possible plotline could be that Yami is kidnapped by a rival group who wants to use his special powers for their own evil deeds. His friends then embark on a dangerous mission to rescue him. Another could be that Yami is kidnapped as part of a ransom plot against someone he is close to, and they have to figure out how to meet the kidnappers' demands without sacrificing too much.
One possible plotline could be that Zoro is kidnapped by an enemy from his past who wants revenge. Maybe a pirate he defeated before has come back with a stronger crew and takes Zoro to lure the rest of the Straw Hats. Another could be that he's kidnapped by a secret organization that wants to use his strength for their own purposes.
Well, it could start with Mycroft being lured into a trap and kidnapped. The kidnappers might be from a different dimension or have some sort of supernatural power. As the fanfiction progresses, Mycroft could use his wits to outsmart the kidnappers even while in captivity. There could be a lot of mind games and tense moments as he tries to escape or signal for help.
Perhaps in this 'imprijt kidnapped fanfiction', the kidnapped person is a key figure in a grander scheme. Imprijt kidnaps them to use as a bargaining chip against their friends or allies. The friends then embark on a rescue mission filled with various challenges and unexpected twists.
One possible plotline could be that Naruko is kidnapped by a powerful enemy who wants to use her as a bargaining chip against her friends or family. Another could be that she is kidnapped by a mysterious organization for some sort of experiment. Maybe she's kidnapped by someone who has a personal vendetta against her and plans to make her suffer.
One possible plotline could be that Keith is kidnapped by an enemy force. His friends then embark on a dangerous rescue mission, facing various challenges along the way. Maybe they have to infiltrate a heavily guarded enemy base to find and free him.
One possible plotline could be that Twilight Sparkle is kidnapped by a powerful dark magic user who wants to steal her knowledge of magic. Her friends then embark on a quest to rescue her, facing various challenges along the way. Another could be that she is kidnapped by an unknown force from another dimension for some sort of experiment. Her friends have to figure out how to cross dimensions to save her. A third plotline might be that a group of villains kidnap Twilight Sparkle to use her as a bargaining chip against Equestria, and her friends must find a way to outwit the villains and get her back safely.