He is a young male teacher who is inexperienced in the world, and she is a female high school student who suffered from childhood haze. During an internship experience, the two met and fell in love. I can only hide and hide, but I am full of happiness. He said they wanted to get together after graduation, but they couldn't be together after all. One is remembering, the other is telling, and in the time and space where the two ends are intertwined, there is always a fixed ending.