Qingyun Common People's Record

During the Yonghe period of the Great Xia Dynasty, the demon "Chisha" wreaked havoc on the world and preyed on humans. Chen Ping'an, a young man from a border town, returns home one day and finds that his whole family has been murdered. Only his younger sister Chen Lingyun has turned into a half-demon but retains her humanity. In order to find a way to rescue him, Chen Ping'an joined the demon-slaying organization "Demon Suppression Division". Holding his ancestral black iron sword and carrying his little sister on his back, he embarked on a journey to slay demons.