Osamu DAZAI (native name: 太宰治, real name Shūji Tsushima) was a Japanese author who is considered one of the foremost fiction writers of 20th-century Japan. A number of his most popular works, such as Shayō (The Setting Sun) and Ningen Shikkaku (No Longer Human), are considered modern-day classics in Japan. With a semi-autobiographical style and transparency into his personal life, Dazai’s stories have intrigued the minds of many readers. His books also bring about awareness to a number of important topics such as human nature, mental illness, social relationships, and postwar Japan.