Tangtang, also known as the elf, is a pure and kind female ghost. On a ghost festival day, when I was having fun with my friends in the world, I met Zhang Jianlong, an otaku, and fell in love with him. But people and ghosts have different paths. This has not changed since ancient times. According to the law, after losing her own unique mark, the underworld chased her even more and sent her to the 18th floor of hell. In order to prevent Tangtang from being wiped out, Zhang Jianlong made troubles in the underworld as a mortal, and a series of events happened. matter.