Ginza, a fiercely competitive district of the nightlife scene. Aiko, an office worker who was on the verge of marriage, is unilaterally dumped by her fiancé. Some time later, upon discovering that her ex-boyfriend Ryu was bisexual, her heartbreak turns into a desire to ‘show him what he’s missing’. Then, through an introduction from a hostess she met by chance, Aiko enters the world of nightlife. Taking the stage name ‘Ryu’, she resolves to survive amidst the turbulent waves of life as a woman of the night…