"Damn you, I've always hated demons!" the woman yelled, though her voice was quickly taken away by another moan.  "It's not... there's something in that stuff you put on me, makes me feel aroused..." she protested weakly, letting out another moan as Mareth continued to thrust into her.  The succubus could feel that she was weakening, drawing close to an orgasm, though it would take much more effort for the girl to accept her demonic power.