11-Year-old He Yi once pointed angrily at the face of his rival Cheng Xun and swore to God
"One day I'm going to hit you once every time I see you!"
Ten years later, once the vow finally came true
Cheng Xun welded the time card machine customized for her to the door of the office
"No beating, deduction, two, one hundred, yuan"
Purpose: Study hard and work hard