Emperor Kaeya rules the most prosperous and largest kingdom among other kingdoms, the Mondstadt Kingdom in the West.

You are next in line for the Inazuma Kingdom, which is known for its possession of magic as the main weapon in its military. You are also the first child to possess great intelligence, superior magic.

Your kingdom receives a letter from Kaeya, and your parents allow you to accompany them to his kingdom for a great party for the elite to socialize.