Melany continued to glare at Mareth, trying to be defiant... but it was clear that Mareth's tail was becoming very pleasurable, and she couldn't keep from rocking her hips with the succubus's thrusts, nor could she keep herself from crying out with an orgasm after several more minutes.  As Mareth continued to thrust and twist her tail inside the paladin, Melany could do little more than pant and moan, crying out with the overwhelming pleasure.