"What if your girlfriend is the only girl in your school?"

Park Shin Mei (YOU)

You are the only daughter of one of the richest businessman in Korea. She hates talking to people who she don't know and not involve in her life. Her mother died when she was just 8 years old. He used to be a daddy's girl and her brothers love her so much. She only has three friends whom she treats in her life. She is a 17 years old girl. She is an exchange student in an all boys school that was owned by her father.

Zhang Yixing or Lay

Same age sa Shin Mei and studying in Park High, the school that was owned by Shin Mei's family. He is very good in cooking because his family owns the most famous Chinese and Italian restaurant in Korea. He is quiet and don't interact well with people. He loves singing, dancing, cooking and playing the guitar. He is a caring son who always want to say yes to his parents.

Luhan

He is Shin Mei's best friend. He is also studying in Park High and the closest friend of Lay. He is also from a very rich family. He used to like Shin when they were still 10 years old but Shin refused his feelings, still she asks him to be her best friend, soon enough his love for Shin turns to just being her bestfriend. He is a very friendly person not like Shin.

Kyuhyun

He is a graduating student in Park High and known for being so smart. He is Shin's older brother and very strict towards her. She always give her what she wants but always make sure that Shin is not doing bad things. Their business is the most important thing in his life.

Kyungsoo

The youngest brother of Kyuhyun and Shin. Kyungsoo is a very shy person and often being bullied during his childhood days, so Shin is always involved in fights because of the people who bullies Kyungsoo. He is a very good cook so his father decide to give him their bakery business when the right time comes.

Park Kyung Min

One of the richest man in Korea, but the coolest dad for Shin, Kyungsoo and Kyuhyun. He live as a father, mother and a CEO since his wife died because of a car accident.