Su Wan was like the wind blowing on his face, soft and soft, but with the power to smooth out wrinkles, blowing past Lu Chenyu's heart that had been dusty for many years; he was used to using indifference as armor and alienation as shield. Lu Chenyu was the light that penetrated the fog, cold but hot, shining directly into Su Wan's heart buried in the dust; she was a pebble that was stepped into the mud, so humble that it took courage to raise her head even in the dust. They are each other's weakness and also each other's armor.