After My Sister Was Possessed, I Became a Contrarian

When Shang Jing returned from a business trip, he discovered that his gentle, quiet sister had become a seductive hussy. She spared neither the young Master Li from the eastern residence nor the young Master Zhang from the western courtyard. By a twist of fate, he discovered that he was a cannon-fodder passerby in a melodramatic novel, and that the woman who had transmigrated into a book and taken over his sister's body was getting hot and heavy with multiple men. To get his sister back, he stumbled into the world of the mysterious arts and embarked on a path of no return... Theme: A heartwarming bond between brother and sister