Monster, written and illustrated by Naoki Urasawa, is a suspenseful and thought-provoking seinen manga series. The story follows Dr. Kenzo Tenma, a brilliant surgeon who becomes entangled in a web of conspiracy and murder after saving the life of a young boy who turns out to be a dangerous psychopath. Monster delves into themes of morality, identity, and the nature of evil. Its intricate plot, well-developed characters, and Urasawa's masterful storytelling have earned it critical acclaim and a dedicated fanbase.