The Secret Story of Haitang by Qinghe Yanyan

[Strategy + group portraits + multiple male protagonists + revenge + sinister + affectionate + palace fights and house fights] He Qingning was originally a simple young lady, but she became a homeless killer overnight, and beauty and "kung fu" were her usual weapons. Is there anyone she loves among the people she takes advantage of? A deal she couldn't refuse set her on a path of no return.