Rika Narushima, the president of "Blueberry", a high-end imported lingerie mail-order company with annual sales of 19.8 billion yen, receives a phone call from a man. The man tells Rika that he has acquired 35% of the private stock of "Blueberry". There was no way a third party could acquire the shares of the unlisted company "Blueberry", so Rika didn't deal with it at the time, but a terrifying trap was set...
