Yozo Oba is a fictional character from the Japanese novel "No Longer Human" written by Osamu Dazai. The story, published in 1948, explores themes of alienation and the struggle for identity. Yozo is depicted as a troubled individual who feels disconnected from society and grapples with his sense of self. Throughout the novel, Yozo's experiences reflect deep emotional turmoil and a search for meaning in life. His character serves as a representation of the human condition, highlighting the challenges of understanding oneself in a complex world. The book is considered a classic of Japanese literature and has influenced many readers and writers.