I want to write a novel about a modern girl who became the king of the assassin world for revenge, but after she got revenge, she got into a car accident and traveled to a different world.

A modern girl became the most powerful assassin in the world for revenge, but after she took revenge, she got into a car accident and traveled to a strange world. She found that she had become the princess of this world, and she had incomparable power, but she also had many strange people and things to face. In this world, the girl discovered that she had a special ability to control flames and began her adventure in this strange world. She met many interesting people, such as a mysterious mage, a warrior with strong muscles, a scientist who was proficient in magic and machinery, and so on. The girl gradually grew up in this strange world and helped these people solve many problems. She also gradually discovered the secrets of this world and the forces hidden behind it. She decided to protect this world from any threats. Under the girl's efforts, the world gradually flourished. She had also gained the recognition and respect of many people and became one of the most powerful assassins in the world. However, she did not forget her hatred. She decided to find those who betrayed her and make them pay. In the end, the girl found those who betrayed her and brought them to justice. She also got her revenge and fulfilled her wish. She returned to her own world, but she knew that the world would always remember her existence, her ability, and her hard work.