Osamu Dazai has penned a gripping and reflective book titled “No Longer Human”. Published in 1948, the story follows protagonist Yozo Oba’s turbulent life and reads like a personal memoir. The struggle for self-acceptance, alienation, and identity crises are all explored in depth in this book. As Yozo struggles with social standards and expectations, he finds comfort in wearing a funny and dishonest mask to hide his inner torment. “No Longer Human” is a timeless and thought-provoking literary masterpiece that appeals to readers of all ages because of Dazai’s emotional examination of the human condition and the effects of societal pressures. The book is still regarded as a masterpiece of Japanese literature because of its in-depth analysis of human psychology and psychological depth.