As you can see, the title is complicated love. The love story between these 4 teenagers are complicated. Very complicated that  it makes them confuse.Making them nervous every second, trying to think what is best for them. Who will have their happy ending?

How did these 4 different people meet each other? The "secret" that changed their lives completely. Find your answer in the story.

Main Characters:

Park Ji Eun

- Age: 17

- The daughter of a very rich family. She is a very reserved, polite and calm girl. She loves reading and studying which makes her get great grades at school. She is called the " Ice Princess " by students at school for her cold behavior and she is also one of the Queenka at school.. She doesn't talk to just anyone. She is very mature , she doesn't ask for allowance from her parents, instead, she goes to work at an English Tuition center as an English teacher. 

Lee Ji Eun

-Age: 17

- She comes from a poor family. Due to that, she has to study and work at the same time. She works at 3 different places. At Mc donald, as the cashier , at Starlight cafe as the waitress, at a math tuition center as a math tuition teacher and she helps her mom everyday selling clothes. She is a bubbly, lively and optimistic girl. The word "give up" doesn't exist in her dictionary. Has a crush on her childhood best friend , Kai.

Jung Dae Hyun

Age: 17

-The youngest son of a very rich family. He is outgoing and bright but he likes to tease people a lot. He is quite rebellious and playful sometimes but he can get serious when he wants. He isn't the study type but for some reason, he always get good grades for the exam. He loves to hang out with his friends, B,A,P. He loves singing a lot and is praised often for his great skills. He is an innocent guy who has yet to experience the word  "Love."

Kim Jong In / Kai

Age: 18

- He comes from a normal family. He is shy with strangers but not really when it comes to people that are close to him. He is very caring and kind. He is talented at dancing and won several awards for it. He is Lee Ji Eun's childhood best friend. Without him knowing, he fell in love with Ji Eun but doesn't dare to confess as he was scared that their friendship will be over if he got rejected.

Minor Characters:

Byun Baek Hyun

Age: 25

- He works for the Park Family together with his dad. His dad is Mr. Park's assistand while he is the personal bodyguard as well as the best friend of Park Ji Eun. He is a reliable and funny man. He is smart so sometimes Park Ji Eun will go to him for help if she is stuck in her studies.

B.A.P

-They are the best friends of Jung Dae Hyun. They are fun and energetic. Their attitude are much less same as Dae Hyun. They came from rich families.

Sistar:

-They are the Queenka of the Jeguk High School aside from Park Ji eun. They came from a rich family too. Well, everyone from Jeguk High School are rich. They have always wanted to befriend Park Ji eun but she is too hard to get close with.

Bae Su Zy

- Lee Ji Eun's childhood friend, together with Kai. Her family was not that rich before, but since his father new business works, they become rich. Still , she is not arrogant and is still the same naggy bae suzy.