Thorfinn, a young Viking warrior, grows up on the battlefield seeking revenge against his father's killer, eventually transitioning into a profound journey toward pacifism and redemption.

Dr. Kenzo Tenma, a brilliant Japanese neurosurgeon working in Germany, chooses to save the life of a young boy over a wealthy politician. Years later, Tenma discovers that the boy he saved has grown up to become a charismatic, psychopathic serial killer.

It features one of the most airtight, cause-and-effect time travel plots ever written. The first half builds careful foundations that pay off in an intense, emotional second half. Pluto (Anime & Manga)