The Scourge Witch Is My Slave

People have just crossed over, What to do if you are captured and made into a slave? Urgent! Du Jing, who had a magic chain tied around his neck, accidentally opened a magical book. "It's actually in Chinese? Survival textbook in a fantasy world - Potions Chapter?!" "Destroying potion, sleeping spray, slave potion..." "They are all good things!" Looking at the beautiful witch lying on the sofa still treating herself like a dog. "Ha--let's turn the situation around!"