An Nakamura, a capable office worker but hopeless at romance, often finds herself wondering: “What if I end up alone for the rest of my life?” One day, her younger brother shows up with his handsome friend, Iro Suzune. Learning that Iro has nowhere to go, An lets him stay the night. But ever since then, Iro has oddly grown attached to her… A romantic story spun between a “withered OL” and a charming, romance-savvy young man!