That year, she was thirteen years old and had just entered junior high school;
That year, he was fifteen years old and about to leave junior high school.
He knew that her name was Le Siran, which means "" from "music", "" from "missing", and "ran" from "natural"; in the first grade of junior high school, her grades were excellent in all subjects, and she was unbeatable second in the school in any single subject, except... Chemistry.