"Boss, I'll keep you company until morning" - Secret Affair with a Married Woman: Reverse NTR by a Teasing New Female Employee Who Rides Me with Creampie in the Cowgirl Position During Overtime. Sarina Momonaga
Newly hired employee Sarina has had feelings for her department chief, who always kindly supports her. One day, while working late, the two end up alone together, and Sarina discovers the chief is a masochist. In that instant, her dominant side ignites. Pressing close, she whispers, "Do your nipples feel sensitive?" teasing and tormenting his nipples with seductive play. The chief initially resists, succumbing to her sweet words but reminding her, "I'm married—I can't come inside you, that'd be trouble." Yet Sarina intensifies her advances. Ultimately, she forcefully rides him in a pounding cowgirl position and demands creampie after creampie. Overpowered by her aggressive seduction, the chief gives in completely, experiencing repeated rounds of aggressive sex. Overtime work forgotten, they continue their illicit affair again and again.