The protagonist Shen Xianqian died in a car accident when he was 22 years old on the way to buy a birthday cake for the protagonist Shen An. Shen An later often dreamed about the past between him and Shen Xianqian when Shen Xianqian was 21 years old. Later one morning, Shen An woke up from the dream again and imagined that Shen Xianqian lived with him...
Intention: Shen An will always love Shen Xianqian