Youfen Planet and Jinlu Planet are two of the five planets in the two universes.
There are two beautiful and versatile princesses on each of these two planets. One is the indifferent Yulu Bingqian, the grandson of the emperor of the Youfan planet, and the enthusiastic Amethyst Dinah, the grandson of the emperor of the Jinlu planet. Both of them are good at writing and dancing, and have superb martial arts. What's more worth mentioning is that they are both good at solving crimes.
On January 24, 2024, Star Calendar, Princess Dinah of Jinlu Planet invited Princess Bingqian to come to Jinlu Planet as a guest. However, something unexpected happened...