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In the bathroom, besides the sounds of Artoria's struggle as her head tilted upwards into the water, the crisp, rapid slapping sounds of Sayama's sex intertwined with hers spread everywhere. Sayama almost put his entire weight on Artoria's beautiful back, riding the blonde beauty until her knees seemed to weaken. Because she was holding her breath, the vaginal muscles in her lower body began to tighten instinctively, squeezing Sayama and letting out a comfortable low moan:
"Oh...it's so tight...it seems...you, a slut like you, Artoria, really like being fucked...fuck you to death..."
He reached out and slapped Artoria's snow-white buttocks hard, feeling that the folds of vaginal flesh had completely wrapped around his cock, and Sayama began to drive his cock towards the blonde beauty's cervix for the final thrust, while Artoria's cervix in turn bit Sayama's cock and sucked it continuously. Finally, after Sayama thrusted fiercely for dozens of times, he finally thrust his cock almost into the cervix, and began to violently ejaculate towards Artoria's uterus, letting large streams of hot semen directly whip onto Artoria's delicate uterine wall, causing her to spasm and twitch all over again. With an uncontrollable sound, her lower body released large streams of honey as Sayama's cock thrusted. Artoria, who was usually elegant and noble, reached a climax with Sayama.
Feeling the mouth of his penis constantly being stimulated by the honey dripping from the orgasm, a warm and itchy feeling lingered on the mouth of the glans. Sayama stopped pressing down on Artoria's head until the remaining semen continued to thrust into the mouth of Artoria's uterus with the afterglow of the orgasm, and only then did he stop pressing down on Artoria's head, allowing the beautiful blonde girl to raise her charming face from the water.
"Cough cough cough...ah...ha...ah...oh...hmm...huh...huh...cough cough cough...you're...so rough...I thought...I was going to suffocate to death..."
Tears welled up in the corners of her charming eyes. As soon as Artoria emerged from the water, she held the edge of the bathtub with her small hands, shrugged her shoulders, and lay on it, breathing greedily. She didn't even care about Sayama's action of reaching out to knead her breasts.
"You reached orgasm the first time you lost your virginity. You slut, Artoria, you must be feeling good. You can talk to Shirou outside the door about it..."
"Um... Shirou, are you still outside?"
"Hmm...Artoria, did you and Sayama reach orgasm just now?"
"Yeah... I climaxed on my first try... But... Sayama-kun's cock is really comfortable... It's almost melting my lower body..."
"If that's the case, I'm relieved. I was always worried that I wouldn't be able to give you a happy night of losing your virginity. Now it seems that Sayama has been a big help..."
"It's nothing... This is what I should do. After all, although Artoria appears noble and serious on the outside, she's actually a filthy bitch, right? Artoria-chan?"
"Well... yes... Artoria... is a filthy, slutty bitch..."
The blonde beauty who had just had an orgasm still had a dazed look in her eyes. She collapsed in the bathtub and was held in Sayama's arms, having her breasts squeezed. She was like a puppet being manipulated, only repeating what Sayama told her to say. Sitting in the bathtub, Artoria and Sayama were still sexually connected. After resting for another five minutes, Sayama ordered Artoria to kneel in the bathtub. He rode on the blonde girl's beautiful back and slowly climbed out of the bathtub.
After climbing out of the bathtub, he found that there was still a little mixture of semen and honey about to flow out of his vagina. Sayama quickly ordered Artoria to block it directly to prevent the semen from flowing out. Then the blonde girl kept crawling in a doggy style while blocking the entrance of her vagina with one hand. Then she carried Sayama on her back and slowly moved her soft and slender legs onto the non-slip tiles. She then lay down on her beautiful back and slowly landed on the ground, for fear of accidentally falling on Sayama.
After getting outside, Artoria took a towel and asked Sayama to sit on the bath stool. Then she stretched out her red and tender tongue and slowly licked Sayama's body inch by inch, from shoulders, back, buttocks, port, thighs, penis, testicles, calves, knees, to toes. After licking everything clean with her tongue, she wiped Sayama's body with a wet towel, and then wiped herself hastily before crawling on the ground, letting Sayama ride on her beautiful back. She was about to open the bathroom door to go out. At this time, she remembered something and said:
"Shirou? Are you still out there?"
"Yeah, I'm here. Have you finished wiping Sayama's body?"
"Yes, I'm going out now, so... please close your eyes when I go out, because I'm... naked..."
"Ah... I understand... I understand... Even though we're lovers, it's embarrassing to be seen..."
After saying this, Artoria opened the bathroom door and crawled out. She saw Shirou kneeling outside the bathroom with his back to her. As the blonde beauty was carrying Sayama back to the bedroom, she was suddenly stopped by Sayama, who patted her beautiful buttocks.
"Artoria, I need to go to the bathroom. Please take me to the bathroom..."
"Hmm… Got it…"
Riding on Artoria, the blonde beauty slowly carried him to the toilet. Artoria originally wanted Sayama to get off her beautiful back so that he could go to the toilet. However, Sayama patted Artoria's beautiful buttocks and said with a lewd smile:
"Artoria, put your head in the toilet, I'll ride on your back and pee directly..."
Artoria pursed her tender lips, and a blush of humiliation appeared on her snow-white face, but she had no way to refuse Sayama. She had to tremble her slender body, and actively stick out her snow-white buttocks, letting her head stretch into the toilet, and then Sayama slid onto her slender neck.
Sayama comfortably extended his cock from Artoria's snow-white face, aiming the tip of his cock at the toilet bowl. He waited for the blonde to tilt her face and kiss the tip of his cock before he urinated into the toilet bowl. A lot of urine splashed onto the toilet bowl, even onto Artoria's face, something the blonde could only endure with squinting eyes. When he was done, Sayama pulled out his cock, shook it a few times, and inserted it into Artoria's mouth, which she offered him. He waited for the blonde to suck hard at the tip of his cock, squeezing any remaining urine out. Then, he patted Artoria's head, signaling he was done and could go home.
When Shirou returned to the bedroom, he had already made the bed. He watched as Artoria was being ridden by Sayama and couldn't dodge. This time, he saw the naked body of the blonde beauty, which made Shirou turn around and apologize:
"I'm sorry... I was just thinking about preparing a futon for Sayama, so..."
"It's okay Shirou, you're helping me too. I'll be sleeping with Artoria tonight."
"Well, that's as it should be. It also makes it easier for Artoria to take care of you."
"Actually, I think... instead of doing this, it would be better to let Artoria be my sex slave. That way, it would be more convenient for her to take care of me in the future."
"I have no objection to this sort of thing. What do you think, Artoria?"
"I don't know either... whatever..."
Although she wanted to refuse, Artoria couldn't think of any reason. She looked at Shirou's back for help, hoping that he could help her. However, he didn't understand her intention and instead agreed with Sayama's intention:
"Then just as Sayama said, you will become Artoria's master from now on. As Sayama's sex slave, Artoria will be more convenient to take care of him in the future."
"Yes... From now on, Artoria will be my personal pissing and pooping domestic animal. Come to Artoria and call me Master."
"Hmm... Since Shirou doesn't object... then I have no objection either, Master..."
As Shirou had no objection, Artoria agreed to Sayama's request somewhat out of spite, and obediently called him "Master". Then she took the initiative to wait for Sayama to get off her back, and let her spread her beautiful legs, revealing her pink vagina. Now Artoria had become Sayama's private livestock, so she no longer had the right to ask Shirou to look at her or not. Artoria had no choice but to bite her tender lips and endure the humiliation in front of Shirou, crawling like a dog, spreading her beautiful legs, and using her fingers to spread the vagina, completely exposing her pink lower body.
"Well, Shirou, this is also your first time seeing Artoria's genitals, right? Isn't it beautiful?"
"Hmm… Indeed…"
Shirou stared at the entrance of his lover's vagina without moving his eyes. In his heart, he was grateful to Sayama for being his friend. If it weren't for him, he didn't know when he would be able to see such an attractive body as Artoria.
"Master...can you please close your legs now..."
Perhaps sensing the gaze of the assassin behind her, Artoria waited for a moment, then swayed her beautiful hips slightly in embarrassment, begging Sayama to stop posing in such an embarrassing position, especially in front of Shirou. Of course, Sayama refused.
"No, as a filthy and promiscuous bitch, Artoria, you should get used to having your genitals seen by everyone. However, even if you and Shirou are lovers, you are not allowed to secretly show your body to Shirou when you are at home. Do you understand?"
"Of course... I would never do such a shameful thing with Shirou in secret..."
"That's fine, but in order to overcome the embarrassment of Artoria showing her genitals in front of everyone, I think some special training is necessary."
"Huh? Do we need to train for something like this?"
"Of course, let's start tonight..."
"But Artoria has already lost her virginity. You must be tired tonight. Should we talk about it tomorrow?"
It was rare for Shirou to speak up for her, so Artoria turned around happily and looked up at her lover. However, this suggestion was immediately opposed by Sayama:
"If you don't teach Artoria well, she won't become obedient in the future, so let's start now..."
After being refuted by Sayama, Shirou did not continue to speak. He had to let Sayama order Artoria to put on black stockings and a maid skirt, and then continue to lie on the ground like a dog without wearing any underwear, waiting for Sayama to ride on her, and then slowly crawl out.
"Oh, by the way, Shirou, if you want to watch, come along too. After all, this is Artoria's first time being trained, and I think she'll feel more at ease with you as her lover by her side."
"Is... is that so? Thank you so much, Sayama-kun, you're so thoughtful..."
After expressing his gratitude to Sayama, Shirou hurriedly caught up with the crawling Artoria and followed the two out the door into the night.