Taming an idol at seashore

Nusaibah , a sophomore in high school, witnesses her childhood sweetheart, Nepolian, cheating on her. When she asks him about it, he simply admits it and leaves her.
Nepolian tells her that she is not womanly enough, so Nusaibah begins a two-week survival program on her grandfather’s deserted island to learn how to be a woman.
A few days before her time on the deserted island is about to end, she discovers a handsome boy named Nine korncid washed up on the beach. he is a national idol, but nusaibah , who doesn’t watch TV, thinks he is just a pithfull man and helps him.
This triggers a confession from Nine to Nusaibah. Soon the two start dating.
The relationship between Nine and Nusaibah becomes known throughout Korea through national TV.
Naturally, it catches the attention of Nepolian.
Then, after all this time, he pressures nusaibah to get back together