Bunshinsaba is a popular urban legend and horror story originating from South Korea. It revolves around a cursed game involving a spirit that can be summoned by writing a name on a piece of paper. Participants often experience terrifying events after engaging with the spirit, leading to a sense of dread and fear. The legend gained further notoriety through various media, including films and television shows. Bunshinsaba is often associated with themes of revenge and the supernatural, making it a cautionary tale about the consequences of meddling with forces beyond human understanding.