Watch Online Free on Watchseries. This horror film explores the truth behind various urban legends that lurk around us. The film explores the hidden meanings behind the lyrics of children's songs such as “Akai Shoes” and “Hanaichimonme,” and the truth behind the “slit-mouthed woman,” which has never been told before. The film also includes a pilgrimage to haunted places by the king of ghosts, Toshitaro Yamaguchi.