Invited by a client, Nagisa - a skilled saleswoman - visits "Oppabu," a store where attractive men cater to customers. While initially perplexed, she is eventually captivated by the seductive and graceful demeanor of Fuka. Their passionate encounter sees Fuka in a dominant role, but their romantic affair takes an unforeseen turn when Fuka - whose real name is Kazehana Zen - unveils a major secret.