Monster

Monster is a psychological thriller anime based on the manga by Naoki Urasawa. The story follows Dr. Kenzo Tenma, a brilliant surgeon whose life changes after he saves a young boy named Johan Liebert instead of a powerful politician. Years later, Johan becomes a dangerous criminal, and Tenma sets out to stop him. The series explores morality, guilt, identity, and the nature of evil through a tense and intelligent narrative. Monster is widely praised for its realistic characters, suspenseful storytelling, and deep psychological themes.