she, whom i met as a business partner, had a stiff atmosphere and i didn't like her at first. but i was attracted to her bright smile at a drinking party, and one day, i got drunk and passed out, and i was overwhelmed by her bewitching atmosphere and crossed the line... neck strangulation, bondage, irrumatio... she was the most convenient sex friend who could release her daily stress. however, i, who was turned into a super sadist by her, who is more beautiful and erotic than anyone i have ever met, became so infatuated with her that i thought i could throw everything away...