Okay, so let's imagine that there were two groups of kids playing on a playground. One group was called the Shu and the other was called the Han. They were different in many ways, like the Shu had some different games and toys that they liked to play with, and the Han had different clothes and foods that they enjoyed.
But one day, something happened that made the Shu and the Han very upset with each other. They started to argue and fight, and it seemed like they might never be able to get along again.
Then, one day, a big group of grown-ups came in and helped the Shu and the Han talk things out and find a way to make peace. They helped them see that even though they were different, they could still be friends and play together on the same playground.
So the Shu and the Han made a promise to each other to be kind and respectful, and they all lived happily ever after. The end!