Day of Disaster is a survival horror manhwa that follows survivors of a sudden catastrophic event that plunges society into chaos, fighting to survive against the elements, other survivors, and the unknown horrors that emerged from the disaster. As they navigate the ruins of civilization, form fragile alliances, and face the psychological toll of surviving in a world without order, the narrative explores themes of survival, humanity, and what people become when society collapses with intense horror and emotional drama. Blending survival, horror, post-apocalyptic, and thriller elements with disaster premise, the series delivers chilling storytelling that appeals to fans of survival horror and post-apocalyptic narratives. Also known as Day of Disaster manhwa, 재앙의 날, disaster survival, and Korean horror webtoon.