What was the relationship between Beauty's Death, Beauty's Tribulation, and Laughing Beauty of the Three Kingdoms?

Beauty's Tragedy, Beauty's Calamity, and Laughing Three Kingdoms were a series of novels. Although the names were different, the content was similar. The Beauty's Bane and the Beauty's Slaughter were both about the love story of the female lead. They met each other in troubled times and experienced war, love, and life and death together. In the story, the female protagonists were all beautiful and had unique personalities and characteristics. Laughing in the Three Kingdoms was a story set in the Three Kingdoms period, about how a smart and witty woman survived, struggled, and finally became a hero in different historical periods. The heroine in the story also had a beautiful appearance and a unique personality, but she also experienced many difficulties and setbacks. There is a certain connection between these three novels because they all revolve around the same theme-love. The love of the female protagonists in the Beauty's Tragedy and the Beauty's Ordeal went through various trials and tribulations, and finally came true between life and death. In the Three Kingdoms of Laughing, the love of the female protagonists was also tested, but they finally overcame all difficulties through their wisdom and courage.