Half a year ago, the Water Kingdom and the Fire Kingdom were still prosperous.
The King of Water Kingdom disappeared, the core of the Queen of Fire Kingdom was taken away and she fell into a coma, and items pointing to the kings of both sides were left in both places.
Princess Asestia of the Water Kingdom and Prince Acasius of the Fire Kingdom were sent to Earth by their respective parents. They were given the pseudonyms Zhu Tan and Duan Yichu, and coincidentally became roommates.
As the contact between the two people, who did not know each other's identities, developed, they discovered that things were not that simple, and were related to the previously invisible secrets of the two countries, so they prepared to explore alone.
They don't know that a bigger conspiracy is waiting for them...
Mission: World peace, no more wars