Stepfather’s Lustful Scheme Turns Daughters Into Obedient Slaves

Marina and Airi’s mother remarried a younger man, whom Airi despises while Marina accepts him. Unbeknownst to them, their stepfather is a pervert who secretly sniffs their underwear and devises a love drug to control them. When Airi catches him receiving a blowjob from her classmate Sana, he sprays the drug on her, triggering their transformation into sex-driven slaves. Now, he indulges in his darkest desires with both sisters, bending them to his will.