You could start by looking on websites like Viz Media or Comixology. They often have a wide range of manga titles, including Nana. Sometimes, fan-made forums or communities might share links to where you can read it, but be careful as not all of these might be legal or of good quality.
Well, 'Nana Shimura: Unseen Tales' is worth checking out. It's a fanfic that fills in the gaps in her story. It has detailed descriptions of her daily life and her struggles. The author does a great job of making her seem like a real, relatable person rather than just a character from a story.
Nana Ouyang was a cellist, actress, and singer China Taiwan. In 2011, she won the Taiwan Cello Competition and won first place in the National Taiwan Normal University High School Music Class. After she made a name for herself in the film and television industry, she became a well-known musician and artist. Ouyang Nana had won many awards and nomination, and was praised by netizens as the "Goddess of Cello" and "Charming and sexy." She was also the spokesperson for the Sonny headphones. Regarding her appearance, netizens had different opinions about her appearance. From cute to beautiful, from childish to mature, her image varied. All in all, Ouyang Nana was a multi-talented young artist who received a lot of attention.
Ouyang Nana was a cellist, actress, and singer China Taiwan. She had made some achievements in her acting career and received many awards and nomination. Her acting skills and appearance received a lot of attention and praise from many people. However, there were also some people who questioned her acting career and her piano skills. In short, Ouyang Nana had a certain degree of popularity and influence in the entertainment industry.
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.