The asshole, naturally

While Diana's pussy was a tempting target, I had a different craving that I wanted to sate. Picking up the end of the lasso, I said, "You told me earlier that you were an experienced lover. Does that experience include anal?"

"N-No," Diana answered shakily.

"Then this'll be a first for both of us." I placed a hand on each of her buttcheeks and spread them, eliciting a pained hiss from her in the process. It seems the area was still rather raw, and me spitting into her crack and slathering it around to make an improvised lube likely didn't make it feel much better. Though even as I lined the head of my cock up with her winking asshole, I couldn't help but pause briefly. While Diana did have a gorgeous ass, and it seemed only fair for me to take her anal virginity like she took my titjob virginity (if that was even a thing), the romantic in me was worried that I would be crossing this threshold with Diana before Kara, and doing so right in front of her. What if Kara ended up getting jealous over this, or feeling like she couldn't measure up? Sure, she told me I could do whatever I wanted with Diana, but I still didn't want to do anything that might make her upset. Would she really be okay with me-

"What are you waiting for? Split that bitch's ass wide open!"

Well, that answered that question. My doubts now thoroughly squashed, I thrust my dick forward into Diana's ass.

Diana let out a scream as I penetrated her, and I used one of my hands to push down on her back in an attempt to keep her from writhing too much. I pushed myself further in, a slow process given how tight she was back there and the admittedly sub-par job I did getting her ready. Still, I wasn't a quitter, and slowly but surely I drove my cock deeper and deeper into her bowels. Eventually, I was far enough in to begin thrusting in earnest, and if Diana was loud before, this made her outright deafening.

"Aaah! Aaaaah! Fuckingshiiiiiiiiiiit!"

I couldn't tell whether she was screaming in pain, arousal, or some combination of the two. Luckily, I had the perfect way to find out. Yanking on the lasso, which had the side effect of lifting her head up as her shoulders were pulled back, I asked her, "How're you feeling now?"

"Like you shoved the fiiiiiaaaarrrghs of Hades up my aaaaaaaaass!" she screamed.

"Do you want me to stop?" I asked.

"Fuuuuuuuuuuck no!" she moaned, "Keep going! I'm so cloooooose!"

"You heard Wonder Whore!" Kara shouted, "Lay it on her!"

With that, I really got into it, humping her ass like no tomorrow. And let me tell you, it felt amazing. Diana's asshole was incredibly tight, but once I was in it had just enough give that I was able to thrust comfortably. Her squirming and tensing up as I did so squeezed my dick in just the right way to make the experience even more pleasurable, and her butt was large enough to provide plenty of cushioning. Her moans and screams made it even hotter, though at one point I ended up grabbing a fistful of black hair and shoving her face down into the mattress in an attempt to keep her quiet, and assert the feelings of dominance I was rapidly beginning to have.

Once Diana was muffled however, I could hear the sounds of what was going on behind me, which up until now had been completely drowned out. Any pretense that Kara was only here 'for my safety' were thrown right out the window as I could hear her whimpering over a wet shlicking sound. And it was getting... closer?

I started to turn my head and was met with Kara floating in midair beside me, one hand furiously masturbating while the other held her chair firmly to her backside. She drifted over to the side of the bed and, after tearing her eyes away from us for a brief moment to find a decent spot, parked her chair right next to the action. Seeing me watching her, she bit her lip seductively and let out a low moan of her own.

"Enjoying the, ungh, the show?" I gasped out between thrusts.

"This is so hot," she replied with a small giggle.

"Any requests?" I asked.

"Can you pull her head back up? I want to see her face when you cum in her ass."

I pulled on the locks of hair I was still holding, yanking Diana's head back up. The Amazon gasped sharply, attempting to catch her breath even as I continued railing her. Kara leaned her head forward the tiniest bit towards the other woman, her free hand grasping the wrists still bound by the Lasso of Truth.

"How does it feel, you slut?" Kara hissed, "How does it feel to throw away your Amazon pride and let yourself be so thoroughly dominated by a man? For him to think so little of you that he doesn't even bother with your slut pussy and goes straight for your ass? And to have me watching as you are treated like the whore that you are?"

It was incredibly jarring for me to hear my sweet, precious Kara speaking in such a vicious manner, doubly so while she was still in her Supergirl costume. It was also incredibly fucking sexy.

"Soooo haaaaaht!" Diana slurred between moans and screams, "Besssssex everrr-rrrad!"

Kara smirked, apparently having heard exactly what she wanted to hear. As she went back to getting herself off, I had a sudden epiphany on how I wanted this to end.

"Kara, how about you join us?" I asked her.

She paused her masturbating and gave me a confused look, "Join you? I'm already here fingering myself while watching, what else could you want me to...?"

I motion my head towards the front of the bed. Kara looks between me, the headboard of the bed, and Diana, and I could see her putting the pieces together in her mind.

"Oh... OH!" she said, her eyes going wide with glee, "I didn't even think about that!"

There's the Kara I was familiar with.

Kara gracefully floated out of her chair and over the bed, positioning herself directly in front of Diana's head. She lifted her skirt, spread her legs, and landed on the mattress so that Diana's face was between her thighs and staring directly into her crotch. Then she hooked her legs around the Amazon and scooted forward, pushing her sex directly into the helpless woman's face. Diana didn't need to be told what to do at this point, and pretty soon I could hear her slurping at my girlfriend's vagina.

"Oh wooooow!" Kara moaned, gripping the edge of the mattress and leaning her head back, "This feels so good!"

"You think she has experience?" I asked.

"Can't tell, since this is my first time letting a girl eat me out," Kara answered, "We could ask, but I think her mouth's a bit too busy at the moment to answer. Rao, I can actually feel it every time you thrust into her! Go faster!"

This went on for a couple more minutes, me thrusting into Diana while she gave cunnilingus to Kara, who was whimpering and whining with pleasure. Eventually I reached a crescendo and jizzed right into Diana's ass. This set off a chain reaction of orgasms, with Diana cumming from the feeling of me cumming inside of her, and her orgasmic squealing going directly into Kara's primed cunt, which then set her off.

None of us moved or spoke right away, taking some time to recover. Then, slowly, I pulled my dick out of Diana. As it popped free, Diana's asshole twitched, almost begging me to stick it back in, but after this and the titjob earlier I was completely spent. I took a moment to take in the sight before me: Diana's butt, still red from the brutal spanking I gave her, and with my cum dripping out from between her cheeks. It was like I was looking at the end result of a hardcore porno, and knowing that it was the real Wonder Woman lying on that bed made it all the more awesome.

"Admiring the view?" Kara asked, looking at me from the other side of Diana's body. I nodded, and she said, "It's pretty good here too. Trade me?"

"Okay." I walked around to the side of the bed and climbed on while Kara flew over Diana toward the foot of the bed. I was pleased to see that Kara was right about the view. Diana's face, which could put a supermodel to shame, was an absolute mess. What remained of her ruby red lipstick was horribly smudged, and she had mascara running down her cheeks, both of which had left marks on the blanket her face had been pressed against. Her entire face was covered with a mixture of tears, spit, and Kara's girlcum, and her hair was in wild tangles from all the times Kara and I grabbed it. Her eyes had a heavily dazed look to them that made her look like... well, a freshly fucked whore. If it wasn't for the tiara I wouldn't had even recognized her as...

...wait a minute, where was her tiara?

I quickly had my answer as when I looked up, I saw that Kara was currently wearing it on her own head. She must have taken it off of Diana on a whim at some point during our sex session, or right after, while I was too out of it to notice. It actually went surprisingly well with her costume, the tiara's golden band and red star matching the accents of the rest of her outfit.

"Man, you really did a number on her back here," Kara said, bending down to look at her mentor's butt, "I'm impressed."

"Thanks," I said, "But, uh, we should probably get her off the bed. Diana? You awake?"

Diana's eyelids fluttered as she tried to look up at me, and she let out an inarticulate groan that in no way answered my question.

"I know what will get her moving," Kara said with a wicked grin. She went over to her dresser and knelt down to open the bottom drawer. After rifling around in it for a bit, she pulled out a purple dildo which until this moment I had no idea she even owned.

"What are you going to-" I started to ask, but before I could even finish the question Kara shoved the toy right up Diana's ass.

With a loud yelp Diana's eyes shot open, and she bucked on the bed as she tried to get herself upright despite still having her hands tied behind her back. Kara reached down and helped her back on her feet, then started to untie her wrists.

"You feeling okay?" I asked the naked heroine.

"Yes, I'm... I'm okay," she muttered, "Sore, but... Aphrodite herself must have blessed us, because that was the most intense sex I have ever had."

"Same," I said with a sigh.

"Even though I didn't jump in until the end, I think this is still up there for me," Kara said, undoing the last of the binding.

Now that she was freed, Diana was already looking like she was in better shape. Rubbing her bracelets, she looked up at me and said, "Maybe... maybe we can do this again sometime."

"Maybe," Kara said with a hint of disdain as she wound the lasso back up and roughly handed it to Diana.

"We'll figure something out another day," I sighed, relaxing into the soft pillows behind me, "I'm guessing Kara will know how to get in contact with you when we're ready to hash things out some more."

"Yup. Just tell me when and I'll make sure she shows up," Kara said as she crawled into bed and cuddled up next to me. She looked down the bed at Diana with a cold air of authority, "You can use the bathroom to make yourself look presentable, but then I want you gone."

Diana frowned, "I understand." She gestured towards Kara's forehead, "But I'm, uh, going to need that back."

"Oh, right, I almost forgot," Kara said, plucking the tiara off of her head. She inspected it for a moment, then tossed it to Diana, "Here. Just remember that when it's only us three, I'm the princess. Got it?"

"G-Got it," Diana replied, catching the tiara but not putting it on right away. Instead she moved it to the hand holding her lasso, then started to reach for her backside.

"Uh uh uh," Kara said with a wag of her finger, "That stays right where it is."

Diana's hand twitched, but she obediently dropped it to her side.

"In fact, I want you to keep it in your butt for the rest of the night, along with Charlie's cum. Hopefully when you wake up tomorrow morning it'll remind you of what you really are. Now get the fuck out of our bedroom, Wonder Whore."

After an awkward moment where Diana tried and failed to say something to me, she turned and walked out the bedroom door, closing it shut behind her.

Once she was gone, I looked over at Kara in amazement, "Holy shit. I didn't know that you were such a dominatrix."

"Neither did I," Kara said, snuggling further into me, "But when I saw her using her strength to take advantage of you, it was like a switch was flicked inside my head. I was so angry with her, and wanted to make her feel as powerless as you probably did. To be honest, it felt great when I did."

"Yeah, I know what you mean," I said with a chuckle, "I don't think she's going to be able to sit for a week after what I did to her."

"Eh, now that her powers are back she'll recover pretty quick. But I bet she'll still be feeling it for at least a couple of days." After a moment, she asked, "Would you ever want to try that sort of thing with me?"

I raised a brow, "Are you talking about the anal or...?"

"The rough stuff," she clarified.

"Would that even be possible? I mean, you're..."

"I know, I know, 'Supergirl'," she finished with a huff, "I meant hypothetically. Or, like, if I pretended to be in pain."

"I... I don't know," I admitted, "Maybe? It's hard for me to even think about. But I did really like being in control."

"Well control doesn't just have to be physical," Kara said, "I mean, even without her powers Diana is probably still stronger than you, and look what you did to her."

"Let's be real here, you were in more control of the situation than I was," I told her.

"Maybe this time, but only because you were still scared of her at the beginning," she countered, "I guided the situation at the start and told you how to bring her down closer to your level, but I didn't tell you to spank her like that, or to go for anal, or even to make her eat me out."

"I guess..." Then I asked, "What about you? Would you want to... you know...?"

"Dominate you? If that's what you really wanted," she said, "But honestly, even then I don't think I would enjoy it the same way. When I'm with you, I want to make you happy, whatever that takes. Part of the reason it was so much fun dominating Diana was because I knew that's what you wanted to see me do. I was ready to do anything you told me to, including whip her with her own lasso, or let her leave here without that dildo up her ass. All you had to do was say the word, and it would have happened."

"Seriously?"

She nodded, "I may be the princess, but to me you'll always be the king."

I smiled at her, "Thanks, Kara." After a moment, I added, "Wait, wouldn't that make me your dad in this fantasy scenario?"

"I dunno, maybe," she said, kissing me on the cheek, "Point is, I'll do anything for you, because I love you so much."

"I love you too," I said, wrapping my arm around her. And with that, we quickly fell asleep in each other's arms.