Many time-travel novels involved elements such as the female protagonist's rebirth when she was young or when she was born with a woman and a boy. This type of novel usually described the life of the female protagonist in ancient times. Through various means such as using modern knowledge and wisdom, she gradually got out of trouble and obtained freedom and happiness. Some of the novels would also involve complicated plots such as politics and emotions to let the readers feel the complexity of ancient society and the variety of human nature.