This was the coldest winter that Song Ruyue had ever lived. This winter was so long and short, just like before with Cheng Shu. Cheng Shu was the person who had been with Song Ruyue throughout her youth, and Cheng Shu had also thought about spending that winter with Song Ruyue.
Concept: The feelings of adolescence may not expire, and we cannot stay long for lovesickness, perhaps because people should not be trapped in the cold winter in their lives.