by Ai Yazawa
Nana is a manga series that follows two girls named Nana who happen to become best friends and are also absolutely the polar opposites of each other. One Nana is in a rock band who struggles to achieve her dream while the other is boy crazy and constantly chasing after people. One won't give up until she becomes the #1 rockstar, meanwhile the other just hopes to take control of their life. But, everything seems to be out of their hands. People struggle with self confidence, drugs, romance, etc.