One day, after finishing lunch, Kazuki and Rias were relaxing when Grayfia approached them.
Sitting down on the reception sofa, Grayfia stared at them expressionlessly. The heavy atmosphere made Rias gasp.
"So, what is this about?" Rias finally ventured.
"...First, please look at this."
A file was presented before the questioning of Rias. 'What's this?' Kazuki guessed they were meant to look inside. As Rias opened the file, he peered in from beside her…
After finishing reading and closing the file, Kazuki let out a sigh. Rias was trembling violently.
The file contained astonishingly detailed records of Kazuki and Rias's sexual activities. And it was thoroughly researched.
But what was the point of investigating something like this?
"What is this!? What is the meaning of this, Grayfia!?"
As expected, Rias exploded. Her face was flushed bright red, whether from anger or shame.
"It's well-researched, but isn't this an invasion of privacy? What do you intend to do with this?" Kazuki also directed an accusatory gaze at Grayfia.
"I am a maid of the Gremory household, but I am also entrusted with managing the schedules of the Gremory peerage."
But Grayfia, utterly unperturbed, began speaking in a matter-of-fact tone.
"And what does that have to do with anything!?" Rias retorted.
"From my perspective, Lady Rias, Kazuki, your sexual conduct is excessive. Therefore, from now on, I will be managing it."
Grayfia declared decisively.
"Haah!? What are you saying...?" Rias asked, confused.
"Ordinarily, this should be Lady Rias's duty, but since you not only fail to lead your peerage but instead indulge in pleasure alongside them, I have determined it to be unfortunately impossible."
"Wha...!?" Grayfia dismissed her objection without hesitation.
"Kazuki, you are no different. The maids have witnessed you having intercourse in various places around the estate, resulting in many being unable to focus on their work. It's becoming a problem."
"Haa, I'm sorry..." Kazuki found himself being criticized as well. He couldn't refute this.
"I am not suggesting a complete prohibition of all sexual activity. I am simply asking you to consider the time, place, and occasion, and to exercise moderation. If you do so, I will not complain. Do you both understand?"
"Y-yes..." Under her overwhelming presence, they could only nod.
And so, Grayfia's crackdown—her "Sex Life Guidance"—began.
After that, whenever Kazuki was having sex with Rias or the others, Grayfia would suddenly appear and interrupt.
For example—
"Ah, ah, ahh, Kazuki, I'm coming...! I'm going to cuuum!!"
"Guh, Rias!"
Splurrt Splurrrt…
He shot his load deep inside Rias's pussy. Rias's body shuddered with pleasure as she received his semen.
"Haah, haah, that was wonderful, Kazuki... Hey, let's go again."
"Haah, haah, ahh... Here I come, Rias."
They gazed at each other, their lips meeting, and were about to begin a second round.
But—
"No. For tonight, this is the end."
Grayfia's "stop" came from right beside them.
"G-Grayfia!? What in the world—!?"
"You have work tomorrow, inspecting the Gremory territory early in the morning. Please rest immediately."
"Eh? But we've only done it once—"
"Once is sufficient. Furthermore, if I allow you to sleep here, you might continue. Lady Rias, please return to your own room."
"Wait a moment! I said Wait, Grayfia! Just a little—!"
"..."
Without another word, Rias was dragged away by Grayfia.
On another occasion—
"Ahh, I can't take it anymore... Please, Kazuki Senpai, I want yours deep inside me right here."
In a corner of the Gremory estate garden, leaning against a tree and presenting her voluptuous buttocks, Xenovia begged him, opening her moist entrance herself.
"Xenovia, I won't understand unless you say it properly. Come on, what do you want me to do to you?"
Moving his fingers in and out of Xenovia's wet vaginal opening, Kazuki made her repeat herself properly.
"Fuu, uun... O-okay... I-I want Kazuki Senpai's big, hard cock inserted into my soaking wet pussy!"
"Just insert it?"
"Ahhh! Ram it deep inside and stir me up with all your strength, make me cuuuum!! I really can't take it anymore...!!"
Satisfied with Xenovia's desperate plea, just as he was about to thrust his dick into her vaginal opening—
"Yes, that's far enough."
"G-Grayfia!?"
Grayfia's "stop" came just before penetration.
"Kazuki, Xenovia, having intercourse in a place like this is against public order and morals. Cease immediately."
"Wait, hold on a second, Grayfia! I can't hold back anymore! You're a woman too, you should understand this agony!?"
"I do not. If your libido is that excessive, you can work it off through training. Since it's a good opportunity, I will provide direct instruction. Let's go, Xenovia."
"Hah!? No, I— Wait! H-Help me, Senpai, Senpaaaai!!"
Xenovia was unceremoniously taken away by Grayfia.
When Kazuki saw Xenovia at dinner, she was completely white, as if burned out.
Furthermore—
"Hey, hey, over here, Kazukiii~!!!"
"W-wait, Kuroka! That place is—!"
The place Kuroka dragged him into was the men's restroom. She pulled Kazuki into a stall and firmly locked the door.
"Fufufuh!! Grayfia's been interrupting us so much lately, I just can't take it anymore, nya~."
Kuroka stroked his cock over his pants. The outline of his hardened length was clearly visible through the fabric.
"Hey, Kuroka, this really isn't a good place for this."
"It's fine, it's fine! Besides, even Grayfia wouldn't dare come in here, nya~? —Now come on, touch me."
Kuroka guided Kazuki's right hand to her crotch. It was already soaking wet.
"Kuroka, you're already this wet...?"
"Hehe! See, Kazuki, let's do it."
Lowering his zipper and freeing his erection, Kuroka then sat him down on the toilet seat, hitched up the hem of her kimono, and exposed her glistening, damp pussy.
"Well then, let's eat~!!!"
Kuroka's face flushed with desire, she began to lower herself onto him, intending to take him inside.
However,
BAM!!
Suddenly, with a loud noise, the stall door was forced open. Standing there was—
"G-Grayfia-san!?"
"Nya!? Why!? What kind of shameless woman just barges into the men's room, nya!!"
"I don't want to hear that from someone trying to have sex inside said men's room. Now, let's go!"
"Ahhh! Wait a minute, nya! At least let me just get the tip in... Nyaaaaahhhh! Kazukiiiiii, help me, nyaaaaaa!!"
Kuroka was unceremoniously dragged away by Grayfia.
When Kazuki saw her later, she was completely exhausted, likely having been thoroughly 'drained'...
...
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