One common theme is friendship. The two Nanas have a very unique bond, and many fanfictions explore how deep that friendship can go. It could be about them supporting each other through tough times in their lives.
One popular 'nana x nana fanfic' story could be about their adventures in a new city together. They might discover new music and bond over it, exploring the local music scene.
Sure. One great piece of nana x nana fanfiction is 'The Unspoken Bond' which delves deep into the complex relationship between the two Nanas. It shows their mutual understanding and the unspoken support they have for each other in a really touching way.
First, understand the characters well. Know their personalities, dreams, and fears. For the 'nana x nana' pairing, it's important to capture their unique bond.
To be honest, I don't have the exact count of how many Nana manga there are. It's best to refer to official manga sources or dedicated manga communities where you can get a clear and up-to-date number.