Stepfather’s Sinister Scheme Turns Sisters into Lustful Slaves

Marina and Airi’s mother remarried a younger man whom Marina accepts but Airi despises. Unknown to them, their stepfather is a pervert who creates a love drug to turn them into insatiable sex slaves. After discovering him receiving a blowjob from Airi’s schoolmate Sana, he sprays the drug on Airi. With Marina already under his control, he now has both sisters at his mercy, manipulating them to fulfill his dark desires.