Looking back at you when I was 17, I will remember you forever
\"What if I do too? What if I also like you?\"
"Everyone knows how much I miss you, but you have no idea."
"How could I not know? I can't give you a future."
In this world where the journey is long and hurried, it would be good for you and me to be safe and happy
Concept: There are not only mathematical calculation formulas on the draft paper, but also the names of people who are very important to me, my youth.