Karkat sighed, trying to calm himself down, realizing the sweet genetic slew was not close enough to him to even partake in. He grumbled quietly and huffed, feeling the sticky sensation of the genetic material slowly caking into his chest, and on his skin. He hoped that it wouldn't irritate his skin or something like that. That would be annoying, even for such a good time, a punishment of that sort seemed too much. He was already tied up, wasn't that enough?
A cackle graced upon his ears at Terezi reappeared, a gentle gleam on her figure, as if she had just taken a rather quick and pleasantly warm soap filled shower, her body smelling of some sort of human fruit, apples, or something. Terezi wasn't wearing the red panties, which were evidently soaked by their earlier escapades, so that was "cleaner" or something, Karkat guessed. She was still wearing the bra, and he could see her erect nipples through the front of the undergarment, dripping a bit with water, which pooled towards the bottom of her spheres. Terezi's thigh-high socks were still somewhat coated by their genetic slew, but for some reason, it looked clean on her, a bit more stylish. Some sort of thing only she could probably understand, it was not his place to think on it.
Karkat shook his head and blushed as she sat back down in her original position, her seed flap just teasing his bulge, just a bit out of wiggling reach.
"OH K4RKL33333S. R34DY FOR YOUR S3COND G1FT? 1 B3L13V3 YOU W1LL 3NJOY 1T MUCH MOR3 TH4N YOUR F1RST. 4ND 1 B3T YOUR L1TTL3 FR13ND H3R3 W1LL 3NJOY 1T TO," Terezi cackled, her tongue licking, sucking, coating his bulge in saliva. It was all Karkat could do to keep down his nerves, to focus, to keep himself from releasing prematurely. This time he was going to get more from this, Terezi's ropes were no match for his skills, for her sensitive body. Karkat could get off simply on her moans, if she knew it or not. But now, now he was in charge.
Now he could penetrate her form, make her feel her insides almost burst from pure content calm pleasure. Not painful, but peaceful pleasure. Terezi moaned as she inched a bit forward, Karkat's bulge squirming and teasing at her entrance. She cackled and hiccupped, moving further forward, making sure to grind her hips and her lower form tensely against Karkat, to make sure he felt the teasing, the threat of release. Karkat grunted in response and bit his lip, making sure she felt no dominance, no power over him. He only blushed in response, something she could probably "see" very easily.
Terezi moaned more as she felt Karkat's bulge lean into her, only brushing small little circles on her clit and stroking only a small bit into the dampness of her seed flap. Karkat panted softly, unable to restrain his pleasure, enjoying the tenseness of the moment. Terezi only cackled again, spinning around, grinding her thick bulbous ass against Karkat's bulge, making sure he felt the heat of the moment. Karkat grinned and panted continuously, trying to move, but still being forced down by the strength of her lower body.
"1 S4W YOU ST4R1NG 4T MY 4SS, K4RK4T. SO, WHY DON'T YOU 3NJOY 1T FOR 4 B1T, HMM? COM3 ON, F33L UP ON 1T," she cackled, bouncing her squishy curvy butt up and down, teasing ever so much on his thighs, and growing close to his extremely squeamish bulge.