The antics of two high school girls: Kim Peongyon and Choi Boa. Kim aka "Bias Girl", is a foul mouthed, overactive girl and idiot who weird and strange, bias ideas on people and things and Boa is smarter and saner of the two who plays the straight girl everytime Kim does anything stupid.

A mysterious young man who failed every test ventures forth. How will he make the world change?

But wait, he's just a dork.