Recently returned to my hometown after failing to make it in the city, I've been helping out at my grandfather's used bookstore. The quiet countryside atmosphere brought a sense of calm, offering a monotonous break from my usual life. But one day, I discovered a new source of excitement—teasing Mugi-kun, a frequent visitor to the shop, with naughty pranks. Our relationship grew strangely intimate. Easily aroused and quick to climax, his reactions stirred something deep inside me. Truth is, helping Mugi-kun with his sexual release was just an excuse. I was doing it because it made me feel good. As days passed, my desires slowly intensified. Within the silent walls of the old bookstore, my connection with him deepened.