For adults interested in Nordic-themed anime, I highly recommend Vinland Saga.
"Vinland Saga" is a historical manga and anime by Makoto Yukimura, set in 11th-century Northern Europe. It follows a young Viking boy named Thorfinn, who sets out on a journey to reach "Vinland" — a fertile land believed to be in North America.
The title means "The Tale (Saga) of Vinland (the land of grapes or grasslands)." Based on real historical explorations and settlements, the story portrays themes of revenge and personal growth.
The first season covers Thorfinn's childhood arc, focusing on revenge and warfare.
The second season shifts to the "Slave Arc," portraying his suffering, inner struggle, and eventual rebirth, with a strong emphasis on psychological depth and the value of life.
The third season is expected to depict the "Eastern Expedition Arc," in which Thorfinn sets out on a journey toward the East in search of a peaceful land. An early release is highly anticipated.
Another highly recommended work is Monster. "Monster" is a Japanese suspense manga by Naoki Urasawa, later adapted into an anime. It was serialized in Big Comic Original from 1994 to 2001. Set in post–Cold War Germany, it tells a human drama about a Japanese surgeon who pursues a serial killer whose life he once saved.
Story:
Dr. Kenzo Tenma, a brilliant surgeon, defies hospital politics to save the life of a critically injured boy named Johan. However, the boy grows up to become a terrifying serial killer. Realizing the consequences of his decision, Tenma sets out on the run to track him down and stop him with his own hands.
Themes:
The series deeply explores questions such as "the nature of good and evil," "the equality of human life," and "what it truly means to be a monster."
Features:
It is highly acclaimed both in Japan and internationally for its intricate plot, detailed depiction of European settings, and compelling human drama.
Media:
In addition to the complete 18-volume manga (published by Shogakukan), a 74-episode TV anime adaptation was produced. The full manga set is available on platforms like Amazon and Book Off, and the anime can also be streamed on Netflix.