My Girlfriend's Mother is an AV Actress - Chapter 79

 Is an Irrumatio Urinal a Man's Romance...?

After finishing my creampie ejaculation into my younger sister, I released her after her cleanup blowjob and instructed her to just masturbate with a dildo for now. The remaining pussies are Hitomi-chan and the Isogai sisters.

"Whoa, you two really had sibling sex. Damn, as expected of Master. Ruthless, huh?"

Having temporarily closed the karaoke box, Isogai-san's older sister arrived after finishing up the store cleanup. As expected of the older Isogai sister, she's a pervert, though not quite on Honami-san's level. She was already completely naked, wearing a slave collar and nipple piercings. She was fully motivated to enjoy the sex party with enthusiasm.

"I set the place to unmanned mode, so we can do it anywhere. Taking them to another room for an instant rape, or taking them to the restroom, seating them between the urinals, and treating them as irrumatio urinals... Even for Master, you usually only get to do sex in private rooms, right?"

"Yeah, that's true. Then since we have the opportunity, let's have them serve as irrumatio urinals."

I led the four of them to the restroom. Even though the store was temporarily closed, the lights remained on. The atmosphere felt as if we might casually run into regular customers, which made it exciting. There were four urinals in the restroom. The space was large enough for three people to sit down. The floor was dry, so seating them there posed no hygiene issues.

I laid down towels I had brought just in case, ordered them to sit down, insert vibrators into themselves, and wait while masturbating.

"I clean this place properly every day. Even if you ordered them to lick the urinals, I disinfected them earlier to the point where it'd be totally fine."

"Then Hitomi-chan, Isogai-san, and Sis, take your seats."

"Big Bro, where should I be?"

"Ah, Erika, you're on strap-on duty. Put this on and rotate irrumatio with me."

Handing over the strap-on I brought, Erika obediently put it on. My creampie semen leaking from her vaginal opening looked thoroughly obscene. Meanwhile, the three acting as urinals sat on the floor and inserted vibrators. Hitomi-chan and Sis voluntarily began masturbating.

"You're slow, Isogai-san. You lack the resolve of a slave; you can tell just by looking at the other two, right?"

"Ah, I'm sorry. I'll masturbate properly, so please perform irrumatio and violate the back of my throat."

"Then first up is Isogai-san. Suck it."

I grabbed Isogai-san's head and shoved it all the way to the deep back of her throat in one go. Tormenting my girlfriend's best friend is truly a luxury. While thrusting my hips, I looked back at Erika.

"Gbuoh, nguoh... ngo, ogoh..."

"Erika, violate Hitomi-chan with irrumatio."

"Eh, am I going to do something like Big Bro to Sister-in-law?"

"Erika-chan, don't hold back, violate me. Between Master's female slaves, let's do lots of naughty things... ngo, gbu, ogo, ogoh...❤️"

"Ah, Sister-in-law's deep throat... to think I can do something like this, even though it's bad... ah, ah, my pussy is going numb...❤️❤️"

Whoa, ruthless, little sister... She's thrusting her hips with surprisingly joyful enthusiasm, performing irrumatio on Hitomi-chan. Instead of grabbing her head to pull her in, it's the type of irrumatio where she presses Hitomi-chan's head against the wall and slams her hips into her. While getting wall-slammed, Hitomi-chan moved her vibrator to masturbate.

"Amazing. Master's little sister is quite brutal too. Is it in the blood after all?"

It's sad that I can't deny it. While thrusting into the back of Isogai-san's throat repeatedly, I roughly kneaded her breasts. She usually keeps them bound and hidden, but she has H-cup huge breasts on par with Hitomi-chan. They are truly satisfying to knead, and above all, there's that rebellious look in her eyes. Isogai-san in calm mode knows her role as a spice very well. Trying not to let her teeth scrape, she glared at me while being violated. When a beauty shows this kind of endearing vulnerability, as a guy, you just want to tease her.

"Yeah, that's good service. Next, I think I'll have you lick my anus."

"Gobo, gobu. Puha... geho, goho. Please let me lick your asshole."

"That's not slave language. Call it a ketsu-ana (shithole)."

"...Please let me lick your shithole. I want to shove my tongue inside the hole and serve you."

After making Isogai-san adjust her height, I turned my rear toward her and pressed it against her face. The slimy feel of her tongue crawled over me. As I pressed further, the tip of her tongue invaded inside my anus. Enjoying the sensation of being served, I took pleasure in watching Hitomi-chan being violated by Erika.

"Ogoh, ngu, ngu, ogoh... oboe, bue, ngooooo...❤️❤️"

"Aah, Sister-in-law, making such an unseemly, vulgar groan... you're feeling pleasure from being violated by me, aren't you? This is incredible; even though I became Big Bro's slave just to be embraced by you, this might become addicting...❤️"

Erika was absorbed in swinging her hips, executing a merciless irrumatio on Hitomi-chan. Seeing Hitomi-chan with her back pressed tight against the men's restroom wall, getting violated while her back of the head bumped against it, was honestly thrilling. Technically speaking, would this count as cuckoldry? Even if it's a strap-on, she's moaning from a penis other than mine...

"Hey, Master. I'm bored, can I suck it too?"

Isogai-san's older sister had moved in front of me. Pulling on her nipple piercings herself, she squirmed slightly in provocation.

"Making the younger sister serve your shithole while making the older sister suck you. That kind of immoral situation is exciting, right?"

"Yeah, it's exciting. Suck it."

"Okaay. Amu... nbu, jyuru, gupo..."

Once she put it in her mouth, Isogai-san's sister voluntarily shoved it all the way to the back of her throat in one go. I thoroughly enjoyed the self-irrumatio and anal-licking service from the sisters. Though a different type, the older sister is a beauty too, and the nipple piercings add a great accent that never gets boring. Pulling on her nipple piercings firmly and shoving a vibrator in with my toes, I made her dripping pussy even more ready for action.

"Erika, time to swap. Go ahead and violate Isogai-san."

"Ah, Sister-in-law's mouth pussy... but that side looks fun too. Hey, Prince. You're the one getting violated now. Make your slave declaration and flatter me?"

"...Please. Insert Erika-san's penis into my mouth and violate me. Just like Hitomi-chan was experiencing, keep thrusting into a helpless woman's throat, and let me masturbate with a vibrator while groaning... ogu, gubue, ogo, ogoh, uboooo"

"So lewd. Prince, are you going to squirt from being violated by your junior? What a pervert."

Isogai-san communicated with her eyes: 'I don't want to hear that from someone who casually commits incest...!', and while glaring, she was pathetically letting drool stream down. As expected of Isogai-san. That attitude is great; she really understands her role.

"Hey, Shota-kun. Next, I want you to use my pussy...❤️"

"Yeah yeah, try thrusting into our urinal holes alternately and compare how they feel."

Hitomi-chan and Sis got on all fours and wiggled their rear ends. As expected of these two... First, I inserted into Hitomi-chan and had sex with her as if mating with Sis. Then, after having Erika suck me, I ordered a lesbian sex scene between Sis and Isogai-san using the strap-on Isogai-san was wearing, watching them while violating Hitomi-chan. I pulled out the vibrator and plunged it straight into her anus.

"Aah, no... ah, ah, n-aah❤️Getting my ass and pussy thrust at the same time is...❤️❤️"

"Whoa, super erotic. Hey hey, I'm prepared too, so can I shove this vibrator into my ass and wait to be violated?"

"Go ahead. I'll break you completely with double-hole training."

And so, I thoroughly enjoyed sticky men's restroom sex. Being able to hold back my ejaculation shows how much I've grown. Then, making all four of them crawl on all fours down the hallway, we moved on to the next game.

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