Can you recommend this novel?

A few years ago, I read a novel and told some of my classmates about the plot. My classmates expressed their interest, but I forgot the title. Please tell me, the clues are as follows:
The female protagonist seemed to be an assassin in modern times, transmigrating into a hostage.
The background was empty, and many countries stood side by side.
This was a world where martial arts were revered, and the bamboo was divided into different levels, namely yellow bamboo, orange bamboo, green bamboo, green bamboo, blue bamboo, and purple bamboo. After breaking through the Purple Bamboo, there were more or less two types of swordmasters: Sword Venerable and Sword Saint.
The hostage that the female protagonist's soul wore was actually the princess of the King and Queen of Yan Country. The Queen was the daughter of the Xuanyuan family, named Xuanyuan Mei 'er. Xuanyuan Mei 'er fell in love with the King of Yan and disregarded the clan rules to marry the King of Yan under the name of Yuan Mei' er. Later, Yuan Meier died and the king of Yan married another woman. The new empress could not tolerate the female protagonist, and the King of Yan could not control the power of the new empress's family and was unable to protect her. He had no choice but to make the female protagonist, who was only eight years old at that time, the crown prince, disguise herself as a man and send her to the enemy country as a hostage.
Every 100,000 years, the Xuan Yuan Clan would produce a female successor to the Mystic Fairy. She was the female lead.
After the female lead wore it, there seemed to be a Ji character in her name.
In the book, there are the Hall of Holy Clothes and the Hall of Black Clothes. There were saint fruits, snake fruits, interspatial rings, and so on.
The male protagonist was the reincarnation of the Demon King, a prince of a country. He was a hostage in the same country as the female protagonist.
The second male lead was the Saint, and he seemed to have called the female lead Little Tian. The second male lead was mostly dressed in white. The second male lead's father was the leader of a sect, which would only be revealed later. If there was a saint, there would naturally be a saintess. The Saintess was the evil supporting actress, and she was also dressed in white.
In the end, the female lead unified the world and proclaimed herself emperor, then reunited with the male lead.
Since the female protagonist was the Successor of Mystic Fairy, she also wrote about the Four Divine Beasts, the White Tiger, the Azure Dragon, the Vermilion Bird, and the Black Tortoise. The white tiger had been accompanying the female protagonist not long after she transmigrated.
Maybe there are some mistakes in what I said, so you can answer as long as it's more or less the same. You don't have to answer it completely. Even if there were several books, they would still be able to find them. They would rather kill a thousand by mistake than let one go.
[A few plots are provided: The hostage of the Yan Kingdom did not die but was a good-for-nothing when the female protagonist's soul penetrated him. He had zero combat strength.] She was infatuated with the crown prince of her country, but the crown prince despised this lovestruck and useless hostage of the enemy country and hated her approach. After the female protagonist came in, she carved a word on the crown prince's heart. It seemed to be Ji. Anyway, it was the body that the female protagonist occupied. It was a word in the name of this hostage of Yan Country. Ji seemed to be a surname. The female lead had once infiltrated the gang where the second male lead was. She had done that kind of thing with the second male lead in the tunnel dug by the second male lead because of aphrodisiac, but she was discovered by the higher-ups before the last step. The second male lead's mother was imprisoned by the gang that the second male lead was in. The second male lead's mother was the Saint Nun of the Saint Clothing Palace. The second male lead's father seemed to be the Palace Lord of the Palace of Mohism.

Answer 1

😋I can recommend a novel called "The Handsome School Hunk's Little Savior" to you! This was a young school novel. It was mainly about a series of strange things that happened after the female protagonist Fang Qingying met the Grim Reaper in her dream. In order to protect the people around her, she launched a fierce battle with death, and at the same time, she had to start a funny and seductive love with the school hunk in her heart. I believe this novel will definitely surprise and move you. I hope you like this fairy's recommendation. Muah ~😗