Originality is not this anime's forte, per se, but it is successful as a romantic comedy because it is uncommon. However this series provides us with a slight variant our main character is a compulsive liar with a penchant for emotional punishment (read: she's a masochist) that happens to, in a series of poor decisions and bad judgment, land herself a two-faced jerk who is content to treat her like The cliched trope of a spineless heroine and her tsundere love interest is all too common.
It's a premise that is not necessarily unique, but for a shoujo series it actually is. A desire for acceptance is something that most of us can relate to, and at times that can drive us to certain extremes.