Nama watak Dlm FZ(Friends Zone)

This novel about Tengku Tiara who like to know about her older sister who got killed by someone and she turn into depress at first cause don't have chance to give her older sister gift what she got from Seoul,Korea.
But suddenly,she silently to go to where her older sister got educated and study at abroad..
Where she know about her older sister staying at Friends Zone house..She change her name into Riana and she know everything about what actually happen at Friends Zone ..
And many things happen..