"Hello, my name is Xiao Miaomiao."
"I know."
"You know? But why don't I recognize you?"
"Then you know me now."
"Have we met before?"
"I've seen it, just now."
"Huh?"
"My name is Gu Shimo, and I will be your neighbor from today on."
Xiao Miaomiao, who is afraid of men, is about to welcome a man as her neighbor.
How will she, and him, change?