"Under the age of ➕Twins➕Brothers competing➕Love without knowing it➕1v1"
(A sincere and honest sister x a compulsively affectionate and crazy brother)
The introduction starts with the male protagonist's diary——
June 5, 2020
Dad suddenly got the certificate with the nanny at home.
The nanny's daughter also moved in, and I didn't like her very much.
July 17, 2020
This "sister" seems to have a bad mind.
But it's fun.
September 3, 2020
A new "sister" has entered the school.
A new "task" has begun.
September 20, 2020
Brother suddenly became very enthusiastic towards "sister", and she seemed very frightened.
But he seemed to enjoy it.
October 3, 2020
Why don't you say anything when you feel wronged?
She said that as a sister, you always have to take care of your younger brother.
Oh, I really want a sister who is so "considerate".
January 1, 2021
She is with Yan Xuheng.
He seemed to take the "bet" seriously.
It's so dazzling.
March 3, 2021
We obviously have the same face.
Why does my sister only like him and not me?
July 17, 2021
They broke up.
I did it.
March 2, 2025
Sister, don't hide from me.
