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As a child, Seo-woo rejected Won-hyeok, the boy who once led her into the darkness of a bunker. Years later, now a high school student living a life of bitter isolation, Seo-woo finds herself driven to the edge. In the middle of an attempt to end it all, she stumbles upon another abandoned bunker and steps inside to hide. But her sanctuary becomes a prison when she is trapped inside by none other than Won-hyeok—who returns drenched in fresh blood.
An 18-year-old high school girl feels distant from her childhood friend, who’s now one of the most popular guys at school. But on her 18th birthday—the day they promised to get married when they were kids—he suddenly shows up? (Source: Kiss Kodansha, translated)