What will happen when you fall in love with your bestfriend? 

  Suzy and Kai were always together. It doesn't matter where they go as long as they're with each other.

They have been growing up together ever since they were 4 years old. 

Suzy has always been in love with kai. She never shows it. She decides to hold it all in. 

Kai has always been in love with suzy. He shows it but, suzy takes it all as a friendly act.