Dr Kenzo Tenma is a genius surgeon working in post-Cold War Germany who has a bright future ahead of him. He is admired by his colleagues, loved by his patients, and due to marry his boss' daughter, the beautiful Eva Heinemann. One day, when two patients in desperate need of emergency surgery are wheeled into his hospital, Tenma faces a terrible choice of saving the orphaned boy who came first or the mayor of Düsseldorf, whose recovery would raise the hospital's profile and boost his own career. Against the demands of his superior, Tenma does what he believes is right and saves the child. However, his decision not only damages his prospects, but unleashes a chain of events so horrific that it might have come from the depths of his worst nightmares. Laden with guilt, Tenma begins a journey across Germany in search of a formidable young man who will challenge his morals, his love for life, and his very sanity.
In an experimental city of despair and carnage, ORGAN will do anything necessary to gain power and wealth. Unfortunately for one underground boxer who was mutilated, a rogue doctor has given him what ORGAN specializes in and he despises: Texhnolyze body parts. Will these cybernetic appendages help exact his revenge upon the one who made him this way?
STN is a secret organization charged with capturing witches of all ages who misuse their inate ability of the Craft. Its newest recruit is a young girl named Robin, who wields the same power that she is helping to control. While skillful at their ability to detain quickly, the number of witches keeps seeming to increase, and the misuse of power grows stronger, casting a shadow of doubt as to what is really going on. For STN, there is much work ahead, and for Robin, her troubles are just beginning...
In present day Japan, during what should have been a routine training exercise, Captain Umeza and the battleship Mirai are suddenly hit by a storm, sending them back in time to the middle of World War 2. Armed with state-of-the-art technology, the Mirai could alter the course of history; but for its crew, the situation presents a moral dilemma: do they have the right to meddle with history, even to stop the most dreadful tragedies of the war, when even the smallest acts could have unforeseen consequences?
Both Monster and Zipang are mature, serious stories which feature a protagonist who saves someone - and that person's ideals and intentions play a major role both in the series and in his relationship to his saviour.
Each series also has a historical concern, Monster looking primarily at Germany after the fall of Communism, Zipang looking at Japan during the Second World War.