Sousou no Furiiren ~Zensou~

A collection of short stories covering the backstories of Frieren and her companions.

Under the supervision of Yamada Kanehito, the original creator of the manga Frieren: Beyond Journey's End, author Hachimoku Mei has written a prequel novel that delves into the stories of the characters before they embarked on their journey. This collection contains five episodes, each featuring Frieren with Fern, Stark, Lawine, Kanne, and Aura respectively.

[From AniList]