ADN-593 I Secretly Spiked My Big-Titted Sister-in-Law's Drink with Aphrodisiac While She Looked at Me with Contempt! Seeing Her Frustrated Body Dripping with Love Juices, I Creampied and Impregnated Her Straight Away - Kaoru Anjō

The male protagonist harbors intense desire for his sister-in-law, who always treats him with utter contempt. One day, he secretly slips an aphrodisiac into her drink. As the drug takes effect, her frustrated body begins to secrete love juices, and she involuntarily reveals her slutty side. Seizing the opportunity, the male protagonist engages in intense sex with her, directly creampieing and inseminating her, injecting his semen into her body and fulfilling his long-held fantasy.