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Yumi Elizabeth Rose Yamamoto, 17-years-old girl who has everything, even an attitude of a very spoiled brat. Living in a mansion, has a lots of credit cards, cars, jewels and anything what a typical teenager wants.

Yumi or ERY as her nickname is busy wasting her life by bitching everyone, doing craziest, and dumbest things that your naked eye couldn't imagine.

But... Everything has an end.

What would you think will happen to this spoiled brat when she was forced to transfer school where she doesn't know everyone and far from what she was famillar with?