At the end of a dark alley lies a store selling lights, where strange people frequent. The owner of the store isn't at all surprised about their frequent visits, but warns the regular customer - a girl who buys lightbulbs to be careful of these people...What is it that has happened to them? (Source: mangaupdates) Adapted from the webtoon "Shop of the Lamp" (조명가게) by Kang Full (강풀).