Perhaps Meng Zhiyu was the result of a single effort for Cen Qing, but what Cen Qing didn't know was that for Meng Zhiyu, the night when Cen Qing held her in his arms lit up her whole summer.
Later, Meng Zhiyu realized that she had never been dispensable to Cen Qing.
Concept: When a beam of light comes, everything becomes dim