Roa, a young S-rank adventurer, had been living in solitude for a long time because he caught the eye of the youngest brother of a noble family. But he would endure such misfortune until he raised his younger sister as his own child! After his sister successfully graduated from magic school, Roa retired from adventuring and gained his freedom. Roa, hoping to live the slow life she's always dreamed of, sets off alone into a dangerous zone accessible only to S-rank adventurers. She luckily arrives at the sanctuary she longs for, a place straight out of a fairy tale. However, for some reason, one after another, people with their own troubles keep arriving in the dangerous zone! To fully immerse herself in her dream of a slow life, Roa uses the skills she honed during her adventurer days to try and resolve these problems. A slow-life fantasy about helping people, featuring a kind-hearted, powerful magician, begins!