I know a great 'John and Natalie fanfiction' named 'John and Natalie: The Lost Memories'. In this story, Natalie loses her memories and John tries his best to help her regain them. It's a very emotional and heart - warming story. Another one is 'John and Natalie: Parallel Worlds' where they get separated into different parallel worlds and have to find a way to reunite. And 'John and Natalie's Holiday' is a light - hearted fanfiction about their holiday adventures.
Sure. One popular 'John and Natalie fanfiction' is 'John and Natalie's Adventure'. It takes them on a journey through a magical forest filled with strange creatures. Another is 'John and Natalie: A New Beginning' which focuses on their relationship starting anew in a different city. There's also 'The Mystery of John and Natalie' which has an element of mystery around their characters.