Help novel expert ~ About the name of a novel ~

The first one was a modern book that said that the male and female owners were children of rich families ~ The male and female owners were neighbors ~ The female owner had always had a crush on the male owner ~ But once, she overheard the male and female owner's brother talking about the female owner ~ She was very sad (It seems that the male protagonist said that the female protagonist has a different opinion ~ Her dressing style is very strange) Then the female protagonist became rebellious ~ Later, the male protagonist's family encountered a crisis ~ It was also the male protagonist and the female protagonist who overcame it together ~ When the male protagonist wanted to be good with the female protagonist ~ The female protagonist somewhat avoided it ~ Later, the male protagonist thought of a way to make their secret relationship public ~(At first, the female protagonist dressed herself up as a Yang doll ~ It seems that the female protagonist's grandfather had a crush on the male protagonist's grandmother ~)
It's a very short novel, only 10 chapters

Answer 1

The name of this novel was " The Master of the Whole Game."