A kind-hearted holy beast, Behemoth, awakens to find itself in the afterlife. Honored for its achievements, it is granted the opportunity to reincarnate into the future as a human. Taking on the name "Chrono," it resolves to live a new life as an adventurer. On the way to the imperial capital, Clarial, Chrono rescues an elf being attacked by bandits—only for the elf to offer their body as a token of gratitude...!?