Frieren: Beyond Journey’s End Vol. 4

Frieren is an elven mage and member of the hero's party who, after a 10-year-long quest, succeeded in defeating the Demon King and restoring peace to the world. However, due to her long lifespan, Frieren will long outlive all her companions, and now that the fighting is over, she is unsure how to live her life. The seasons and years pass, and when time eventually takes one of her former companions, she is confronted with her own immortality and sets out on a new adventure, determined to help fulfill the wishes of her remaining living comrades and maybe along the way learn what it truly means to live.
Notice: This book is written in Japanese.