Amusement parks are places with all sorts of attractions and ways to have fun. There are famous ones, like a certain mouse's paradise or the world's stage in Japan.
There are also things like the "Trick House" that make you wonder how they work, but they're still fun and enjoyable.
Hmm? Why am I suddenly talking about this? It's simple, because I built an amusement park!
...Well, I reused the site of a defunct amusement park and created an original one. By the way, it's not just any amusement park, you can "interact" with things, or rather, things "interact" with you. To put it simply, you get to experience erotic things.
It's more like an erotic theme park than an erotic trap dungeon or tower. Our mascot character is "Inchuu," an insect with a penis-shaped head.
Anyway, putting that aside, I brought a few people here for a trial run of this amusement park. I haven't told them it's an erotic theme park, but it'll probably be fine... I know they won't get hurt!
"This is... um... what is this? It says 'Magical Hall,' but..."
"Yes, that's right! There are all sorts of fun tricks and mechanisms!
Mainly, we have various attractions that use optical illusions and sensory illusions.
You enter from this entrance here, and the usual route is to make a U-turn to get to the exit, which is marked over there. Please note that those who get dizzy easily are advised not to enter."
First up is the Magical Hall. The explanation was given by a staff member, so I'll omit it.
I did wonder if it was suitable for an amusement park facility. Other amusement parks don't seem to have anything like it.
"Looks interesting... Let's go in."
"Okay!"
Rias and Asia's team entered here. There were a few other people who came, but these two happened to enter this particular hall.
"Wah, wah, wah... I thought it was stairs, but it's flat..."
"Oh, this ball is rolling uphill... How is that happening...?"
Optical illusions, bodily illusions, when phenomena occur that differ from what the body remembers, humans (even devils) can't make instant judgments.
To give an example, it's a place where you can voluntarily experience something like, "I thought there was another step, but there wasn't, and my knees buckled."
"...Oh, something's reaching out. Is this... a hand?"
"But this room seems quite spacious, so it's fine... huh!?"
Even though it's a U-turn, this attraction actually has individual rooms. These are separated by doors, but from around the fifth room, the sliding doors become the upward-pulling type. Incidentally, to prevent people from turning back, once you pass through and close the door, it won't open from the side you just came from.
"Ah, it won't open, and... is this room really small!?"
The hands growing from the floor are actually just painted on, and the room itself is designed to be extremely narrow. As a result, Rias and the others, caught off guard, have their legs grabbed and are unable to move.
The key here is that this room is at the U-turn point, so the door is on the side of the room, not in front. Because the doors had always been in front, that added to the illusion.
"Kyaa! My, my breasts are being groped~!"
"W-wait... ahn...!"
"Hyaa, unnn...!"
And gradually, the hands move from their legs to their stomachs, and from their stomachs to their chests, gradually moving their groping upwards.
"Th-these perverted hands...!"
Rias tries to shake them off somehow, but the hands show no sign of letting go. Instead, they begin to grab and knead more intensely.
Under this assault, Rias and Asia gradually lose strength and are at the mercy of the hands.
"Ha, ahn! Noooo...! Any more, really...!?"
"Ah, no, please...! The pleasure... won't stop...!"
Their faces begin to melt into ecstasy. And as if sensing the two had lost their strength and finally slumped to the floor, the hands withdrew.
In their place, penises emerged, of course, from beneath Rias and Asia. Their panties had conveniently disappeared.
"Hiii!"
"Hiiiiiiiin!?"
Caught off guard, they were both penetrated. They were so engrossed that they didn't even notice their feet were neatly embedded in the floor, making it impossible to escape.
"Hyaa, hiiiiiii!?"
"Don't, don't move so much...!"
Before they knew it, their clothes were swiftly removed, and they were completely naked in an instant. However, they paid no mind to such things, they were simply violated.
"Haah, haah..."
"F-finally, we're out..."
"Yes, thank you for your hard work. We look forward to seeing you again."
Listening to the staff's smile and standard greeting, Rias and the others stumbled out of the Magical Hall.
Though they managed to keep their clothes on, their bodies underneath were covered with numerous toys, left on in their rush to escape.
"W-what about everyone else?"
"I-I wonder if they're experiencing the same thing as us... I'm starting to get a little worried."
Of course they are... I didn't tell them, but this place is that kind of facility. So, that means the other members are also experiencing this kind of thing!
Alright, let's move on to the next one.
Now, this is a haunted house. But it's not just any haunted house, it's quite different. In fact, this is an incredibly massive one, created by renovating an old building that used to stand here.
And, simply walking through it would be uninspired, so I've prepared a few puzzles. Only by solving these puzzles will the path to the exit open... that's the idea.
And here, you can experience a truly serious and realistic horror experience.
"Alright, please pin this to your clothing somewhere. This is very important in this House of Horrors, so please be careful not to lose or damage it, as you will be charged for replacement."
"Ah, understood."
"This is going to be fun, Xenovia!"
"...As a Youkai, is there any meaning for me to come here?"
"If you say that, then all of us are devils, Koneko-san."
Xenovia, Irina, Koneko, and Ravel were here. The first two were (formerly) human who could pick fights with aberrant beings, and Koneko is a Nekomata, so they're basically people who wouldn't easily be surprised.
However, even these four can be surprised... no, I can make them flinch.
Well, it's probably better to experience it than to hear about it. Though I can only tell you about it.
"...Still, it's quite dark. But not completely pitch black, more like dim light."
"Rather than complete darkness, being able to see a little bit in front of you can heighten the sense of fear. Even the perception that 'something that shouldn't be there is there' can cause considerable fear."
"I see! You're absolutely right!"
"...I don't particularly like being surprised."
Saying that, the four proceeded. The mechanisms should be activating soon. Incidentally, there are restrooms installed within the facility due to its large size. They have automatic flushing and bidet functions.
Of course, we won't surprise you in the restroom... but going to the restroom itself can induce fear.
"...It was completely different from the rest of the facility. It was very clean."
"It's nice that it's clean, but... why do I feel like 'this isn't it'?"
"...? Huh, we came from here, didn't we? But there's a wall here..."
"Oh? You're right... Did we take the wrong direction?"
All four of them had questions. Of course, the wall they were touching wasn't there at first. This is a feature of this haunted house: the "changing dungeon." Every time you pass a wall, it randomly appears or disappears.
Similarly, passing by a wall that's already there might cause it to retract or stay put. Because of this complex and varied structure, this haunted house will be a different dungeon every time, unless you have luck of EX+++ or higher.
Incidentally, the total number of movable walls is over 100, so you can't just memorize and retry.
The pin they were given before entering... that actually emits infrared rays, and when it's received and then out of range, it acts as a switch to decide whether a wall moves or not.
"For now, let's go this way."
"Right."
"Yes, let's."
Xenovia, Irina, and Ravel immediately headed to the opposite side. Koneko followed them, but halfway through, she noticed a wall had appeared and crossed to the other side of where the wall was.
"Everyone, it was this way after all... Oh, what?"
And then, a wall appeared between the three and Koneko. Being isolated in this haunted house... means being practically eliminated.
"There wasn't a wall here a moment ago... I have to rejoin them quickly..."
While Koneko was thinking this... she felt a zombie (a staff member in costume) approaching from behind and turned around, but... it was already too late.
"...Oh? Was there a wall here?"
"...More importantly, Koneko-san is gone."
"They must have gotten separated. I've had a strange feeling for a while, but it seems this building is changing shape."
"Huh? Is that with magic or something?"
"No, it's probably just how the facility is designed. It's set up to have walls appear and disappear randomly, so you can enjoy it multiple times."
Meanwhile, Xenovia and the others. Xenovia seems to have already figured out the trick of this haunted house.
Well, even if she figures it out, there's no way to deal with it. Besides, it's not just that kind of facility. Although it's called a haunted house, it has so many tricks it's almost like a ninja mansion.
"...Why don't we try entering this room? It looks interesting."
"Right, the most important thing to do to reunite with Koneko is to get out of here first."
Saying that, Xenovia and the others began to explore a certain room. Inside, there was a dishevelled bed, a carelessly opened dresser, and clothes scattered all over the floor... arranged as props. There was a sign neatly stating, "Please do not take anything home."
"...Why is only this part strangely clean...?"
The three of them each investigated the room. Ravel approached a certain wall. Around that wall, there were no clothes for some reason, giving it a strangely neat impression.
Curious, she approached the wall... and Ravel somehow touched it.
"...Kya━━━"
"Huh? Ravel... Hey Irina, where did Ravel go?"
"Eh... Oh, wait? I didn't see her leave the room...?"
...Ravel had vanished.
"━━━Aaaah!?"
Ravel, by the way, touched a wall that, also by random chance, rotated the floor with it, sending her to the opposite side of the room she was in.
From there, it was a slide, and Ravel screamed as she slid down into the darkness.
"Kyafun!! Ow, ow, ow..."
Ravel finally came to a stop. Looking around, it seemed she was trapped in a room with iron bars.
However, there was a nice fluffy mat, so the safety of the guests was accounted for.
"...Ah...! ...!"
"...? What is that...?"
Listening closely, she could hear some kind of voice coming from the room—or rather, the cell—across from her. It was dark, so she strained her eyes and... she saw it clearly.
"Ahn! Ha, unnn!"
"Voo..."
It was Koneko being violated by a zombie (staff member). Her clothes were nowhere to be found, she was already completely naked, and a collar had been put on her, making her look like a sex slave.
She had apparently been violated for quite a long time, as Koneko showed no signs of resistance whatsoever.
"W-what is that...? H-huh!?"
And then, a zombie staff member was suddenly in Ravel's room. No, they just came through a dedicated passage.
"N-no way... Me too...!? W-wait a minute...! Nooooo!!"
And then, another new sex slave was given to the staff. However, this is an amusement park... Will Xenovia and Irina, who still don't know what's happening to the two, be able to rescue them?
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