Mirror is a supernatural horror manhwa that follows a protagonist who discovers a mysterious mirror that shows reflections of a dark parallel world, leading them into terrifying encounters with entities that should not exist. As they investigate the mirror's origins and try to survive the horrors that emerge from it, the narrative explores themes of fear, curiosity, and the price of looking into the unknown with atmospheric dread and psychological tension. Blending horror, supernatural, mystery, and psychological elements with mirror premise, the series delivers spine-chilling storytelling that appeals to fans of horror and supernatural mysteries. Also known as Mirror manhwa, mirror horror, supernatural thriller, and Korean horror webtoon.