Two friends, Nana and Nana, start out together but are eventually torn apart by their relationships with men. One Nana, known as Hachiko, is faced with a difficult decision that ultimately leads her to hurt her boyfriend and leave him behind. Meanwhile, the band Black Stones experiences a surge in popularity, earning a record deal and surpassing Trapnest's success.

Nana 2
Two young women, Komatsu Nana and Osaki Nana, navigate the challenges of adulthood in search of self-discovery and meaningful relationships.