Jiang Xiao never expected that everything would be revealed again seven years later. . . It turns out that she was wrong all along. The boy she once loved has changed. The boy who loved her has also changed. Even the friend she cares about the most has become such a stranger. Falling in love, she gradually discovered their true colors, a little disappointed, a little regretful, a little distressed, a little bitter, a little happy. The intersection of various emotions is half sour and half sweet, and half astringent.