In the midsummer of eighteen years old, Lin Zhi saw Jiangyu for the first time on the honor list. He is the genius in everyone's eyes, Bai Yueguang, and the only one who reaches out to her outside the toilet cubicle. The words "Don't be afraid" made her almost believe that someone in this world would really come to save her.
But later she saw clearly that Jiang Yu's notebook was filled with fragments of sentences, long poems sent late at night, and long apologies early in the morning. He was diagnosed with bipolar disorder. Sometimes he stood on the edge of the rooftop and hummed, and sometimes he curled up in a corner of the library and fell asleep. He pulled her up from the abyss, but he stood on the edge of the cliff.
Lin Zhi knows that feeling better than anyone. Her depression was like a room without windows. Her mother thought she was "promising in liberal arts" and her classmates thought she was "gloomy and unsociable". She was used to walking with her head down and making no sound. Jiang Yu was the first person to squat down and look at her.
But Jiang Yu's mother didn't think so. In her eyes, her son was just "too stressed" and "not strong enough", and taking medicine would "discredit his life". She locked the referral form in a drawer and said to her neighbor with a smile: "Our family, Jiangyu, has always been the one with the least worries."
In the last rain before the college entrance examination, Jiangyu disappeared. Lin Zhi found a scrap of paper in the desk drawer. Every page was filled with her name, and the last page contained a note - "You are the only person I want to stay in summer." She clutched the paper and ran to the rooftop, where the rain blurred the world.
On a rainy night before the college entrance examination, Jiang Yu jumped from the rooftop. Lin Zhi looked out the window. It was summer again, and the sycamore leaves were dazzlingly green. Eighteen-year-old Jiang Yu will always stay in the summer with her, and her summer also ended on that day.