Norwegian Forest mainly tells the story of the protagonist's struggle between Naoko, who is emotionally unstable and mentally ill, and Kobayashi Midoriko, who is cheerful and lively, and starts a journey of self-growth. Summary: Watanabe's first love Naoko was originally the girlfriend of his high school friend Muyue, but later Muyue committed suicide and Naoko lived alone. A year later, Watanabe and Naoko got along skillfully.