Insane.
Rin could only describe Momoko's fetish as insane.
A fetish like Karen's was already rare and extreme, but Momoko's was on another level.
Karen just wanted to be a pet, a dog. Momoko wanted to be a toilet or a disposable object... she didn't even want to be a living being anymore.
But as Karen said, a fetish like that required someone trustworthy.
Karen would never dare reveal a hint of her kink to anyone else. If Momoko sought out someone like Kumagai or Hayato, her life would be destroyed.
However, Rin felt it was a bit too much.
A fetish like Karen's was understandable—high pressure leads to a need for extreme release.
But Rin felt Momoko was likely just acting on a whim. Being a tool was one thing, but a toilet...?
It reminded him of the time he tied Eriri and Misaki to the urinals in the men's room back on the island.
But Eriri only wanted to gather material for her doujin; she wasn't so masochistic that she actually wanted to be a toilet.
Since Momoko was still a virgin, Rin figured she was just high on the thrill of seeing Sumire.
After experiencing it once, she'd likely change her mind.
Anyway, it would satisfy Kaede's cuckold fetish, so he might as well let Momoko try.
...
Sumire Enase was left for Shion to handle.
Karen didn't care if Shion sent her to Thailand to be an idol, took her to the Brazilian rainforest, or dumped her in Tokyo Bay.
In short, Karen never wanted to see her again. As for Hikaru, Karen had already sent people to investigate him.
Furthermore, Karen ordered an investigation into the rest of her clique. If any of them were like Kumagai or Hayato... they'd be sent straight to Thailand to become idols.
Or they could stay there and be local idols; the acceptance level would be higher.
As for the remaining girls in the room...
"Sayu, Suzune, Saki... you should go with Sakurako. She'll take you home."
"Ladies, please follow me. I will ensure you arrive home safely."
Sakurako made an elegant gesture, and the three of them began to follow her out.
But before taking two steps, Suzune stopped. She took a deep breath as if making a monumental decision.
"Is there something else, Miss Kagami?"
"W-wait." Facing everyone's confused looks, Suzune bit her lip for a long time before summoning her courage. "May... may I stay?"
"Does Suzune want to try too?" Momoko ran over excitedly and hugged her.
"Being a toilet might be lonely alone; it'd be great to have a companion."
"NO, NO, NO, IT'S NOT LIKE THAT!!!"
A panicked Suzune waved her hands frantically and pushed Momoko away. She had zero interest in being a toilet.
"I... I just want to watch."
Suzune fixed her gaze on Rin Ito.
"M-may I?"
"I mean, you can if you want... stay and watch then."
Rin's expression was a bit strange... Each of these girls has some hidden, high-level skill.
Since Momoko and Suzune were staying...
"Why don't the rest of you just stay too?"
"Is that okay?" Sayu blinked.
"Eh... I... well... I-I'll just stay and observe as well." Saki Yoshida nodded after a moment of hesitation.
She had missed one chance; she wouldn't miss another!
Momoko wanted to be a toilet, Suzune wanted to stay and watch, and Sayu didn't want to leave either...
Momoko aside, why did the two socially anxious girls want to watch an orgy?
Rin began to wonder if they were the heroines of some doujin from his past life!
Suzune, Sayu, and Saki sat stiffly on the sofa.
Beside them was the "fast asleep" Kaede. Although Kaede appeared to be in a deep, expressionless slumber, she was actually incredibly excited.
Sayu and Momoko didn't matter; Rin could eat them for all she cared. But Suzune and Saki... they were "allies"!
On the system interface, Suzune's Netori value had shifted to -23, increasing by several points.
As for Saki Yoshida, there was no need to say anything; she had been infected with a cuckold fetish for who knows how long.
Kaede guessed Suzune's awakening was because Sayu and Akiho had both found "friends."
That feeling of having her friends stolen had planted the seed of a cuckold fetish in her heart.
As for how that seed was triggered, Kaede had two theories.
One: after a day of interaction, the introverted Suzune had developed feelings for Rin. The thought of Rin training Momoko made her feel "cucked."
Two: she viewed Momoko as a very close friend, and the idea of Momoko being trained by Rin made her feel her friend was being "stolen."
For Kaede, the reason didn't matter. If she had a cuckold fetish, she was an ally.
The three sitting next to Kaede were still quite stiff, sitting bolt upright and clutching their hands in their laps like schoolgirls.
Rin sat on Kaede's other side, ensuring she had the best "viewing" position...
Even though she couldn't see, she could still smell and hear everything.
Once everyone was settled, Rin had Momoko stand in front of him for one final confirmation.
"Momoko, you want to be used as a tool, a toilet, just like Sumire Enase, right?"
"Yes! I want to try it! Please, Rin-senpai!"
Confirmation complete. Having received Momoko's firm answer, Rin nodded. Since she wanted to play, he'd play with her.
"Take your clothes off first."
Hearing Rin's command, Momoko unhesitatingly began to strip.
Though her face showed a hint of shyness, her hands moved with efficient speed.
Unlike Suzune or Sayu, the petite Momoko only had small, delicate mounds for a chest.
Her legs, encased in black pantyhose, were slender and firm, with a smooth, hairless crotch visible through the fabric.
Since she wanted to be treated like an object, Rin didn't bother being polite.
Rin removed the pants he had only recently put on.
Momoko caught on immediately and stepped forward to take hold of him.
She lacked practical experience, but she had enough theoretical knowledge to know generally what to do without step-by-step instructions.
However... just letting her act as a human automatic cup wasn't enough.
Once he was fully aroused, Rin had Momoko turn around.
Just as Momoko thought he was going to take her from behind, Rin gripped her under her arms and lifted her up, flipping her so she was lying flat and facing the ceiling.
"???"
Momoko had theory, but not that much.
As she wondered how Rin was going to use her, the ceiling light hitting her face was blocked.
A shadow covered her nose, and the intense scent of masculinity made her take several deep breaths.
"Tilt your chin up."
As Momoko followed Rin's instruction and tilted her head back, she finally realized what he was doing...
She found her open mouth and her neck had formed a straight line!
"Guh-ack!!!!"
In the next second, from her lips to her throat, every inch was occupied.
The stimulation deep in her throat triggered an instinctive gag reflex.
Tears uncontrollably welled up in her lavender eyes, which were rolled back.
He said he was using her as a tool, and he meant it.
With Rin's strength, holding her up was no different from holding a cup.
With the system's enhancement to her endurance, Rin wasn't worried about breaking her.
"!!!!"
Suzune and the others watched Momoko being used as a cup and instinctively held their breaths.
They could see the distinct shape of him through the skin of Momoko's neck.
Momoko's eyes were rolled so far back they looked blank, and her breathing seemed labored...
Is Momoko... really going to be okay?
Forget the virgins Suzune and the others; even Karen had never seen such a brutal way of playing.
Karen had seen something similar—Rin had done this to Utaha Kasumigaoka at the bookstore on the island—but Rin had been gentler then.
Now... he was truly treating Momoko like an object!
Shion instinctively touched her own neck.
Normal service was fine, even deep service was fine—Shion had practiced with various tools until she could take them to the throat without gagging.
But if she were used like Momoko...
She'd break. She'd definitely break.