The encounter with that girl (Elf) greatly changed my destiny──. Ten years since I first took up the sword out of admiration for Heroes. The time was coming for Ignis, an Adventurer who felt the limits of his talent. The retirement of his comrades, parting with a close woman... Tired of life, on a final escort mission he decided on, he met an Elf slave girl burdened with a curse of not being able to die. Ignis, whose life was saved by her, decides to "buy" her even if it means taking on debt! Without knowing that this decision would greatly change his destiny. I am not at the "end" yet──. The Veteran Adventurer's reversal drama begins!!