What Ming Shuiyuan missed most when she lived in Zhu Palace was the snowy days in her childhood. – Ode to Frost
The set describes Ming Shuiyuan and Zhu Yuxian's memories and thoughts about Cloud winters. Ming Shuiyuan lived in Zhu Palace for some time, which is located in Southern Cloud, and she missed the snowy days from her own childhood, as she grew up in Northern Cloud. She also cooked him rice balls when she was fifteen and looked at the stars together.