City of Witches-Chapter 423: Verification (4)

1.

“You’re kidding, right?”

Though Albireo was sure that Deneb was serious, she still asked that question anyway.

Sure enough, Deneb’s face looked completely serious.

After all, unlike Albireo, who was more laid back, Deneb was always straightforward.

Especially when it came to matters concerning the twins’ well-being, there was no way she’d say something she didn’t mean.

“Do I look like I’m joking right now?”

“Deneb, you’re getting way too worked up. Let’s go out and get some air.”

Still, even Albireo—who had lived a long life and seen a lot of things—couldn’t fathom why every time Shin Siwoo was involved in something, things would spiral out of control like this.

“And by the way, I don’t need your permission. My body is my own. The only person whose opinion I’m asking for is him.”

“I-I’m sorry, I don’t think I can agree to that...”

Siwoo refused for the same reason as when he rejected Albireo in the past.

There was also the fact that it had only been a few days since he had promised to do better.

If he were to go along with Deneb’s suggestion now, he’d not fail the twins’ trust, but also damage his relationships with Sharon and Eloa.

Sure, this might be the condition for him to stay with the twins, but he couldn’t help but feel like it was an unreasonable sacrifice.

But Deneb remained firm.

“In that case, I won’t forgive you, Mr. Siwoo .”

“But why? Why is this such a big deal?”

“Just because the twins’ bowls seem fine now doesn’t mean nothing has happened to it! We are going off on an inductive reasoning right now, we don’t know what might have occurred during the actual act! If anything, I don’t understand how you could be so nonchalant about this, Sis! We’re talking about our daughters’ well-being here!”

The truth was, the amount of mana released during a male’s ejaculation was very small

In order for it to affect the bowl, a man would need to ejaculate his semen while holding his penis close to the womb’s opening.

Based on that fact, Albireo had concluded that as long as the twins weren’t having vaginal penetration, it should be safe. Besides, there had been no issues so far.

She also trusted the twins and Siwoo to not lose their senses and actually do it from the front.

“No, Deneb... That’s a little...”

“If you don’t like it, then we’ll have to completely isolate him until the succession has been done.”

Things had developed to a point where Deneb would trust a simple ‘I won’t touch them until they’ve finished their succession’ promise from Siwoo anymore.

He had already broken her trust once, so there was no chance she’d settle for just words.

Even if Deneb were to trust him, she still wouldn’t yield on verifying the ‘effects of anal intercourse’ herself.

Also, she didn’t want to rely on conclusions from the results alone; she wanted to examine the process closely too.

Meanwhile, from Siwoo’s perspective, after he just resolved himself to be more restrained, there was no way that he’d want to go around sticking his penis into any hole that was willing to open itself to him. Not to mention it was his mother-in-law’s.

Accepting Deneb’s proposal would be like betraying the twins, Sharon, and Eloa all at once.

But rejecting it meant risking exilement from Gehenna or being forced apart from the twins.

“So, what’s your answer?”

“Wait, wait, hold on! Are you seriously going through with this? If that’s what’s worrying you, couldn’t you ask someone else to do it? Like Ms. Evergreen or Duchess Tiphereth...”

Albireo’s suggestion wasn’t unreasonable.

Deneb wasn’t making this request because she wanted to be railed by him, but because she was worried about the effects of anal intercourse. She could just ask one of Siwoo’s lovers to confirm it for her.

Yet, she still rejected that idea. Not because it was obviously something extremely rude to ask of the two, but...

“How can you leave something this important to someone else? Besides, do you really think those two would admit to anything if things went wrong?”

“If word of this got out, it’d be a huge scandal that would tarnish our family name.”

“It’s not like we’re going to do this often. Just once would be enough to confirm things.”

“Our twins won’t like it.”

“He already has plenty of women around him. Besides, this is all for their sake. Why would they complain?”

Before Siwoo could say a word, his two mothers-in-law had already got into a heated argument.

“Um... Could you please not... .”

Siwoo tried to step in cautiously, but...

“You don’t get a say in this, Mr. Siwoo!”

“Just stay out of this... You’re the root cause of this mess...”

“Understood.”

Their icy glares left him with no choice but to zip his mouth.

The argument continued unabated. Even when they dragged him out of the dungeon, they still continued on.

2.

In the end, Siwoo was dragged into Deneb’s room without being allowed to say a single word.

Deneb’s room wasn’t much different from the twins’.

It was the faint scent of incense and a slightly more mature atmosphere that set the two apart.

Currently Countess Gemini and Siwoo sat at a table, sharing a quiet drink.

But this quiet was only achieved after an extremely heated argument between the countesses.

Deneb stubbornly held her ground, while Albireo was doing everything she could to talk her out of it.

But, as that exchange went on, in the end, it was Albireo who gave in.

“Fine, you win.”

Albireo cast a sharp glance at Siwoo with her striking violet eyes before speaking decisively.

“Since it comes to this, I’ll take the matter into my hands. You don’t know as much about this as I do, after all.”

Though both of them were conservative witches with no experience with men, Albireo was the most knowledgeable among them in this particular area.

Since they had no choice but to do this taboo act of committing sex with their son-in-law with their rear holes, she decided that she should shoulder all the burden herself.

“...No, I won’t be satisfied unless I handle this myself. You’re too biased to be objective.”

“What are you even saying?”

“The fact that you let the twins carry on with something so reckless proves you’re anything but objective!”

“...”

Albireo fell silent, considering Deneb’s words.

When Deneb became this determined, even Albireo wouldn’t be able to persuade her.

“The only way to ensure there’s truly no issue with our twins is to observe what happens during the process. Anything less is unacceptable to me.”

As Deneb’s final words drove the nail in deeper, Albireo, who had been swallowing a groan, looked at Siwoo.

“Mr. Siwoo.”

“Yes.”

“We need your cooperation.”

“Do we really have to do this? Like I said before...this doesn’t seem right...”

It was like back when Albireo offered to satisfy his lust in exchange for him to not have sex with the twins anymore.

Of course, back then it was a trap and not an actual offer.

“The circumstances don’t allow you to back down. Besides, it’s partly your fault things have spiraled this far, Mr. Siwoo.”

“I can’t argue with that...”

“Also, Deneb doesn’t have any ulterior motives. No romantic feelings, no sexual curiosity about you. This is purely for magical research.”

Deneb, who had been listening from the side, immediately flared up.

“Of course! Do you think I’m doing this because I want to?”

“We’re going to disappear anyway once the succession ends... I wish you would just close your eyes and cooperate once. Don’t we need to be sure what kind of danger Mr. Siwoo’s secret play with the twins poses?”

A heavy silence followed as Siwoo mulled it over.

“This is a one-time thing, right? A real one-time thing?”

“That’s right.”

“All right.”

And so, a dangerous pact was sealed between the son-in-law and his mother-in-law.

Feeling a bit hesitant, Siwoo cautiously added a follow-up question.

“Just to confirm... This isn’t some kind of trap, is it? Like, if I agree to Countess Deneb’s proposal, I’d lose something in exchange...?”

“Would you prefer it that way?”

“No, please.”

“...What a shame.”

On a day like today, nothing else could surprise him.

3.

Deneb excused herself to prepare and went into the bathroom.

Although her spirit body guaranteed complete cleanliness and she could use magic to wash her body instead of physically washing it, she probably did it anyway for the ritualistic value of preparing herself before sex.

That or she just needed a moment to collect her thoughts.

Siwoo also took a quick shower and came out wrapped in a bathrobe.

And he was left startled.

Albireo, whom he assumed had already left, was sitting in a chair by the bed, staring at him.

As the absurdity of the situation sank in, a wry smile crossed Albireo’s face.

“Wait... Are you seriously staying here, Countess Albireo?”

“That’s the plan. Deneb insisted. To reduce errors in the experiment, we’ll need to record the results from multiple perspectives.”

“Jesus...”

The initial situation was already awkward enough, and this only further shaped up to be the most uncomfortable night of his life.

Countess Albireo’s presence only deepened his dread and discomfort.

He wasn’t even sure if his thing could get hard.

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“Don’t make that face. I’m not thrilled either.”

Seeing Siwoo’s face twisted in despair, Albireo shot a sharp remark at him.

“...I really apologize, Countess.”

“This is why I warned you. If only you had shown a little more caution and restraint, we wouldn’t be here. And yet, here we are... .”

Albireo pressed her eyes, as if exhausted by the absurdity of the situation.

“I never imagined Deneb’s first time with a man would happen like this.”

Deneb was her younger sister.

And now, that same younger sister was about to lose her long-held virginity in such a grim way.

It brought a different kind of disappointment than the one she had felt with the twins before.

And to make matters worse, this involved the immoral dynamic of a son-in-law and mother-in-law.

“I-I’m sorry...”

“There’s no helping it. Deneb is persistent. Don’t feel too guilty about it, though. At least for me and Deneb, the matter of virginity isn’t that important. Although, discussing whether rear hole penetration also qualifies as a loss of virginity might lead us into a philosophical debate.”

“I don’t quite get what you’re trying to say...”

“Deneb doesn’t know anything about sexual relationships. Unlike me, she never put an ounce of care into it. She’ll probably just pretend that this never happened if the ‘verification’ tonight goes off without a hitch, so you can stop feeling bad for having a relationship with other women for once.”

Albireo rested her chin on her hand, swinging her legs gently.

She acted casually, but it was clear that she was genuinely trying to ease Siwoo’s guilt.

“So don’t overthink it and just do all that you can.”

“Thanks.”

“Also, if something like this ever happens again, I’ll drag you back to the Modern World myself.”

While they were chatting like that, Deneb stepped out from the bathroom.

She really had taken her time, probably to bathe.

A gentle, warm mist lingered around her slender neck.

She wasn’t in her usual formal witch attire.

Instead, she wore a white nightgown without a shawl. Considering how chilly the night was, it looked far too thin.

The short hem revealed her long, toned thighs, and it seemed as if the slightest movement would expose her panties.

The shoulders were detailed with slits and lace, highlighting her rounded silhouette, and the fabric was so thin that her skin was faintly visible underneath.

If one had to summarize her look in a single phrase...

She looked like a doll dressed to be seductive.

Her figure had just the right amount of muscle, without unnecessary bulk.

Her elegant and smooth curves naturally brought those sorts of thoughts to mind.

But her expression wasn’t that of a timid maiden on her first night.

It was more like that of a warrior bracing herself for a battle.

“I’m ready.”

Albireo looked at Deneb, who spoke with such a resolute voice.

“Haaaah...”

She couldn’t help but let out the deep, weary sigh she had been trying to suppress.