Chapter 6 \n\nLing Si suddenly looked up, Su Tang placed his finger on his lips, gently making a booing sound though his fingers, he lied next to Ling Siโ€™s ear, saying: โ€œOver there is a demon city, it opens at midnight, only the demons can see it, people can not see it, do not tell others, this is the secret of our demon race.โ€ \n