"Xia An'an, if the cicadas didn't sing during the summer solstice that year, what answer would you give me?"
…
"Ah Yue, let's meet again in the next life."
On the day Qi Yue turned 16, no one knew that Xia Anan had fallen in love with him.
So on the day Qi Yue turned 26, no one knew that Xia Anan no longer loved him.
Concept: There are too many people in the world who cannot be loved