It opens with Ruan Nian's inner monologue. She stands at the door of the new school, holding an old badge in her hand, pointing out the core suspense of "Ten Years' Promise" or "Ten Years' Secret". Describe the new environment through her perspective, and directly reveal the deeper purpose of her transfer - for a person named "Jiang Yu"
Ruan Nian entered the new class and quickly gained favor with the sweetness and friendliness he showed when introducing himself. She became a deskmate with Lin Wei, the lively and righteous monitor, and soon became friends. From Lin Wei and other classmates, Ruan Nian heard for the first time a detailed description of Jiangyu as "a scholar", "aloof" and "difficult to approach".
Ruan Nian began to wander around where Jiang Yu might appear, intentionally or unintentionally. Finally, at the end of the empty corridor after school, she "ran into" Jiang Yu who was coming out of the classroom. The moment their eyes met, Ruan Nian's heart was shocked, but Jiang Yu just glanced at her and passed by her expressionlessly.
