Ai, a secret investigator with a strong sense of justice, is ordered to infiltrate a company in order to obtain evidence that a woman drugged with the illegal aphrodisiac LDX is being trafficked. - She clears the job interview with her proud big breasts and succeeds in infiltration, but when the water she drinks contains LDX, she loses the ability to move freely. - The men take advantage of this and expose their big breasts from their bodysuits and rape them! - ! - Can a busty undercover investigator with a strong sense of justice overcome the effects of an aphrodisiac? - ? - What will be its fate...! - ?