Zhao Nan's youth was never short of movement. Friends of the opposite sex around her came and went like the wind, but no one knew that there was a gaze that fell on her since she was wearing braids in her childhood.
Su Zhengjin's youth was a long, unknown secret love. He was hidden in her relationship with the opposite sex, in the corners of the classroom, under the shade of the trees on the playground, and in the quiet gaze that watched her every time she was surrounded by people.
She is always shining, and he is always watching. What kind of ending will this heartbeat that started in childhood have?