This is a romance about a girl called : Lee Ni Nam. She's transferd from a american school to a korean one in seoul, Because her dad got a new job in korea, But things aren't going well for Ni Nam because everyone in school thinks she's a guy, maybe it is because she has a twin brother named: Lee Taekyung.

But not only is that Lee Ni Nam likes to dress like a guy, She thinks it suits her more. But even so she don't really care what others thinking about her. What will happen if someone Thinking to fall in love with Lee Taekyung but mistake him for his little sister, And someone else falls in love with Lee Ni Nam but thinks his gay now because he thinks she's is a he.