From Oksana Robsky , there is the unusual English title '' Casual , '' revealing with laconic wit and sharp eye the life lived by the nouveaux riches of Moscow , huddled in their impossibly luxurious homes on the Rublyovo-Uspenskoye highway that runs west out of the city , dropping $ 12,000 in a morning of couture shopping , falling in and out of love , engaging in orgies in five-star hotels , snorting cocaine and relishing their status as what Ms. Robsky calls '' the first rich girls '' in Russia .