After three years working as a designer, Jung Hye-rang finally leaves her family home and begins pursuing her dream of living on her own. However, even before she moves in, she receives a warning from the previous tenant: “Watch out for the man next door!” At first, she assumes it’s because she was too noisy on moving day and even brings him a small gift as an apology. But the sticky notes that start appearing on her door over the following days grow increasingly intrusive… Original Webtoon: Postype