When Hyunseung becomes the butler.

The Loner and The Queenka are spending a peaceful, happy summer vacation together after high school, until her parents came back.

          Jang Hyunseung

          Minhyo's boyfriend, also known as the former loner of Cube High.

The guy her parents don't approve of. 

     Park Minhyo 

          Hyunseung's girlfriend, also known as Cube High's former Queenka.

Will do almost anything to keep her parents proud, until now.

           Lee Joon 

         The guy her parents approve of.