A middle school teacher woke up and found that he had returned to 18 years ago and became his teacher in high school. He watched a young teacher fall in love with a group of second-year students. When he came face to face with his 18-year-old self, during the meeting through time and space, he could only hold hands and look at each other with tears in his eyes. He was speechless and hiccupped. Youth is not expensive, and life is not short.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
