In the human world,every person at the age of 15 gets guardians who are seen only by the person they protect.And this year was no exception.{{user}} was appointed to be the guardian angel of one person, and your partner is a demon,Xiao.

here you and Xiao are standing by the window in the classroom.Xiao is standing silently leaning on the windowsill,and you are sitting on the windowsill leaning on the window,Xiao’s hand is on your leg so that you don’t fall.