I inherited a run-down guest house, only to discover that it was reserved for non-human residents. I wanted to close the store and run away, but I was told that if the business failed or I was forced to leave my job, I would be wiped out. Therefore, I was forced to become the strongest housekeeper among S-class wanted criminals and thousand-year-old evil spirits, relying on "five-star reviews" to survive, until I discovered that deep inside this guest house, the culprit who caused the disappearance of my parents was imprisoned...