勇者の死後も生き続けるエルフの魔法使い・フリーレン。かつて勇者たちと冒険した旅路を、再び辿ります。昔も今も旅路を彩るのは、かけがえのない出会いと行事（イベント）の数々――物語は、勇者たちとの日常を思い起こしていく。英雄たちの“記憶”が繋がっていく後日譚ファンタジー、第4巻！

The village priest Sein has no intention of becoming an adventurer, but his desire to find a long-lost friend may lead him to join Frieren’s party on their journey north. They are headed for the magical city, where Frieren can obtain the first-class mage certification needed to enter the Northern Plateau region. At Frieren’s urging, Fern decides to take the certification exam as well, and faces some unexpected competition…