Nana Osaki is a fictional character from the manga and anime series Nana, created by Ai Yazawa. She is a punk rock singer with a strong personality and a passion for music. Nana is known for her distinctive style, which includes bold fashion choices and a rebellious attitude. Her character explores themes of love, friendship, and the struggles of pursuing dreams. In the story, Nana moves to Tokyo to follow her musical ambitions and eventually forms a band called Black Stones. Throughout the series, she navigates complex relationships, particularly with another character named Nana Komatsu, who becomes her roommate and close friend. Their contrasting personalities create a dynamic that drives much of the narrative.