You are the starting point of the directed line segment, I am neither the end point nor the midpoint. But I stood at the midpoint of that moment. When I looked up, it was you, and when I looked back, it was her, the girl you loved in your youth. I thought so much that I could be her.
The whole text is written from the perspective of the heroine. It is a secret love note (memory). The hero and heroine are high school classmates and have not had formal contact with each other, but there are many "contacts" in the eyes of the heroine. (This is how the article starts.) It starts with notes from high school and continues until the end of the first chapter.
Concept: It was inspired by a friend's secret love. Most of the names are pseudonyms.