Three years ago, Lin Yu disappeared completely after a quarrel. He and his family seemed to have disappeared, and even his household registration information was blank. In despair, Gu Qingyao firmly believed that he had passed away, and buried the unspoken love and guilt deep in her heart. Three years later, Lin Yu, who had completed a national confidential scientific research mission, returned gloriously. After learning that Gu Qingyao was already a sophomore at Kyoto University, this young scientist who could have been directly hired as a professor at Tsinghua University resolutely stepped into her campus as a freshman. Behind the disappearing truth and misplaced time is a silent journey spanning three years.
