What does a person often do when they're alone? When Xiao Qi was little, he never thought about that question, because there was never a time in his life when he was alone. That changed when someone moved in next door. Only then did he understand what one person did on their own.
That person was Mo Qing: a woman living alone, a housekeeper, and a dog. The household and the building gave Xiao Qi a sense of desolation and gloom.
Come on ↖(^ω^)↗, idiot