Lee Mi Young a.k.a Lee Tae Yeon just got back from America. The next day she wakes up and finds a complete stranger in her room staring at her. That stranger happens to be her brother Lee Chan Hee a.k.a Lee Chun Ji's best friend. Although they live in a big mansion, Tae Yeon's brother makes that "stranger" sleep in the same room as her so they can get along and he can not leave that room until they do. Although at school Tae Yeon is very bubbly and a bit of a nerd, people don't kno