At the age of twenty-seven, Wu Jiayi met Lin Shengyuan in the elevator.
Nine seconds. It takes exactly nine seconds to go from the nineteenth floor to the first floor. It was these nine seconds that took her back to the summer five years ago - at that time, he would still be waiting for her in the library, clutching the scrapped seventh love letter in his hand, and took eleven steps before he dared to say the first sentence.
Later he went to Germany, and even the breakup was told by others.
Now he is back, in the architectural office on the seventeenth floor, two floors away. They held meetings, worked overtime, and bought the same instant noodles at convenience stores, but no one mentioned what happened back then. Until one day he asked: "Jiayi, can we get to know each other again?"
She didn't answer.
But those unfinished words, unsent letters, and unreached eleventh steps are all waiting for a late answer.