Motoko Haraguchi (Takei Saki), a bank employee, robbed a huge sum of 180 million yen from the bank where she worked. With this huge sum of money and a black leather booklet with a list of pseudonymous accounts as capital, she opened her own nightclub, Karune, in Ginza, where love and desire are intertwined. Motoko has no backing, but she constantly breaks through obstacles with her ambition, and as a young mama-san, she has gained a place in the colorful world of the night. Surrounding Motoko are all kinds of villains, each with their own agenda. In the intertwined desires, Motoko began her own lonely struggle...