The girl starts over after losing him, and takes her time to appreciate everything in the present.
In her sophomore year of high school, she met a young man who was very paranoid about her. After that, she slowly got closer to him and no longer lacked the courage she had before.
But fate always plays tricks. The scene of separation reminded the girl of him, and she did not see the boy again after graduating from high school.
You said that people will always meet again in this world, and they who were once ignorant will cherish each other and never lose each other again.
Intention: Perhaps, everything given should be cherished.