A woman who experiences unforgettable orgasms after being drugged and pleasured by her boyfriend's sister while sitting in a kotatsu; a woman engaging in lesbian sex while on drugs. NHDTB-753

The first time I was introduced to my boyfriend's sister, she fell for me... After we sat down at the kotatsu, she moved closer to me! Avoiding my boyfriend's gaze, she secretly used fingers coated in aphrodisiac to play with her genitals, causing my body to undergo strange changes! Although I hated it, I experienced repeated orgasms, making me want even more pleasure and beg for more aphrodisiacs...