A funeral of one of her comrades leaves her face to face with her own immortality — and she sets out on a new journey to learn more about humans and decipher what it really means to live forever.
Frieren starts at the end of a story — Frieren is an elven mage who is part of a party who returns as heroes after slaying the demon king. While everyone else grows old, but for her, fifty years passes by like nothing. A funeral of one of her comrades leaves her face to face with her own immortality — and she sets out on a new journey to learn more about humans and decipher what it really means to live forever.