She was like a weed by the roadside, existing for no apparent reason, then withering for no apparent reason when autumn arrived. She had existed, but left no trace.
He was like a pure, flawless gardenia, unwilling to give its fragrance to the world.
Before they met, he was already her salvation, the most important "blue" in her life. After they became companions, she was the "blue" he would spend the rest of his life searching for.
Perhaps fate had determined from the very beginning that people would meet, sooner or later. One ordinary day, she and he met, fell in love, came to know and understand each other, and stayed by each other's side, inseparable.
Throughout their years together, she told him countless meanings of the color blue. One of them was this: blue is the color of love across time and space, the only color that can endure beyond life and death...