Lin Sui's heart first stirred after a fleeting glance in a junior high school hallway.
Over the years, as they drifted through crowds and across cities, she caught sight of Shen Yu'an from afar countless times.
Fear held her back. She buried her love deep in her heart, not daring to approach or speak.
He never knew that a girl had watched over him for an entire youth.
Theme: Some feelings, from the moment your eyes first meet, are destined to remain hidden in the passage of time. I watched you throughout my youth, but in the end, we could only be passersby in each other's lives.