1. Xiaoyang and Xiaopeng have been good friends since childhood.
2. Xiaoyang, Xiaopeng and Xiaolin have been good friends since childhood.
3. Xiaolin and Xiaoyu have been playmates since childhood.
4. Xiaoyu, Xiaoyang and Xiaopeng are not very familiar with each other.
5. This article is just an essay. I accidentally deleted the copy I just made, so I won't write it in detail... The beginning of this article is modern, the second half is a different world, and the main line is friendship.
6. The type of the different world is currently undetermined, but it is fictitious.
7. I have no cheating
8. These four characters come from my childhood memories.
9. You may not have CP. Even if you do, you will mention it in one stroke. It's all about friendship.
10,,,, Read the article, this is just to make up the number.