"Am I the only one still alive?" A boy wakes up to find himself in a building full of dead people, and Gangnam is shrouded in complete darkness. No cars, no electricity and no stars in the sky… Not only Gangnam but the entire city seems deserted. Original Webtoon: S1-3, S4, S5 Official Translations: English (S1-5), T.Chinese (S1-5), Indonesian (S1-3), Thai (S1-3)