I think it's more like she is blackmailed... Though I can be wrong.
No, she is hypnotized; even if you don't speak Japanese, the clue is that her subsequent dialogue (right after the second panel) is peppered with hearts and, most importantly, question marks.
Ah! Huh...? ...??Ahh❤ You really are the best, My Lady❤Ahh, I'm gonna cum❤ Hey❤ I'm cumming, My Lady❤W-Wait a minute!Let go!No condom?Ohmoans❤moans❤moans❤Hey, Don't be so violent, My Lady❤Please look at this first, My Lady❤We've run out of condoms. I can keep going without one, can't I❤?