In some fanfictions, Hinata might kidnap Naruto for various reasons. Maybe she's desperate to get his attention or there's some misunderstanding that she thinks can only be resolved this way. However, this is a very uncharacteristic action for the usually shy and gentle Hinata in the original series.
Yes, there can be non - inappropriate fanfiction with a kidnapping theme in the Naruto universe. For example, a story could involve a character being kidnapped by an enemy ninja group not for any immoral reasons but as part of a strategic move in a political or territorial conflict. The story could then focus on the rescue mission and the growth of the characters involved in it.
A kidnapping plot in Naruto fanfiction can offer a chance for character development. The kidnapped character, like Naruto, may have to face his fears and find new ways to use his powers in a difficult situation. It can also show the intelligence and resourcefulness of the other characters who are trying to rescue him. Moreover, it can create a sense of community within the story. All the characters who come together to rescue Naruto can demonstrate the importance of unity and friendship in the Naruto world. This type of plot can also be used to explore moral and ethical questions, such as what is acceptable in a rescue mission and how far should one go to save a friend.
Once upon a time, Jellybean Jones was walking home from school. Suddenly, a mysterious van pulled up beside her. Before she could react, a masked figure grabbed her and shoved her into the van. The kidnapper drove off to an abandoned warehouse. Jellybean was scared but determined to escape. She looked for any weaknesses in the van or the warehouse to find her way out.
There could be many fanfiction stories about King Sombra kidnapping Fluttershy. In some, Fluttershy's gentle nature might be a contrast to King Sombra's dark and powerful presence. Maybe the story could involve the other ponies in Equestria trying to rescue her. They might use their unique talents like Rainbow Dash's speed or Twilight Sparkle's magic to outwit King Sombra.
In a dark corner of the galaxy, Anakin, his eyes filled with a strange glint, set his sights on a young Jedi apprentice. One day, as she was alone on a mission, Anakin swooped in on his starfighter. He stunned her with a quick blast from his blaster and carried her onto his ship. He took her to a desolate planet where he planned to turn her to the dark side, believing that with her by his side, he could rule the galaxy.
Toga could be kidnapping Midoria out of envy. Midoria has so many friends and supporters, and his growth as a hero is remarkable. Toga, who may feel alone and misunderstood in her own villainous world, wants to take away what makes Midoria so special. So, she kidnaps him in a fit of jealousy, but Midoria's positive attitude might start to change her perspective during the captivity.
The lost glasses could be a MacGuffin in this fanfiction. Felicity being kidnapped might be related to her connection to the glasses. Maybe she was the last person seen with them. It could lead to a story where she has to find the glasses while being held captive to bargain for her freedom.