Many years ago, Zhang Kaiyang thought Mucheng was the nightmare that accompanied her in elementary school, junior high school and high school.
She thought it was enough for her to live in darkness all her life, but she didn't know that she suddenly discovered in college that there was already a crack on the top of her head, and above was the sunshine brought by Mucheng.
And the beginning of all this can be traced back to Mucheng's words "Hello, deskmate!" A long time ago.