Bullied and isolated high school student Lee Seo-woo attempts to end her life by hiding inside an abandoned bunker. Her desperate plan fails when she is discovered by Kim Won-hyeok, a boy she rejected in childhood. He returns completely covered in fresh blood and locks the door, trapping them together in a tense psychological survival game. Written and illustrated by 2myeonji.

Read Bunker Days manhwa in English, updated regularly. Also known as: 벙커의 낮 · Daytime in the Bunker