Su Jianan was susceptible to colds, so she had hated winter since childhood.

The central heating was on 24 hours at home and she would feel warm the moment she arrived home. That being said, she still liked to trail behind Lu Boyan.

Though looking cold all the time, Lu Boyan had warm hands and feet. She used to seriously tell Lu Boyan, "You're natural central heating in winter."

The result was Lu Boyan greatly "heated" her. ...