Reborn next door twins first grow up

Lu Man returns to 2006.
The girl next door of childhood sweethearts is twin sisters.
"We grew up together, and now you still can't tell my sister and me apart!"
"Why should I distinguish?"
"...If you don't chase me, don't chase it, what do you mean!"
"It doesn't mean anything, I just think your mother is very good to me, and I don't want to change my mother-in-law."

Key words of the novel: Rebirth of the Twins Next Door