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Inyouchuu Gaiden Chapter 3 Part 5

「G-Good! It feels good! Ahh! Aahh!! Sis, do you feel good, too!? I sure hope that you do!!」

「N-Noo! Don’t Hyaah!? Highiiih!?」

Takeru picked the caterpillar-like youma up and pushed it into Mikoto’s mouth without a moment’s hesitation.

SWOOSH! SWOOSH! WIGGLE!!

For the youmas, whose best source of sustenance was female flesh and bodily secretions of all sorts, the dripping honeypot of the Exorcist girl must have been the best feeding ground ever. With no mercy, they continued to assault her dripping and wet cavity without a moment’s break.

One, two, three – dozens or more of small fleshy tentacles roared as they stuck to her flesh walls and crawled around her pussy. The reality of being assaulted like that by grotesque monsters made Mikoto feel extremely nauseous. At the same time, her body also remembered the pleasure of being tormented like that. The trembling of her vagina stimulated by the youmas would spread all over her body. Her body’s surface was entwined with sexual pleasure as her pussy was violently stirred and sucked on. Her toes would scratch the floor at the stimulus that stretches further and further across her body without stopping.

(No! That’s so filthy! Stop! B-But why……!? Why do I feel that way……!?)

The stronger the pressure of the tentacles violating her that accumulated in her vagina, the more her flesh membrane would ripple and her uterus would quiver. It was so dirty, it felt absolutely disgusting…… And Mikoto was disgusted with herself for being delighted by something like that. Was she always such a lewd person? Such a filthy, pathetic excuse of a woman……?

「N-Noo! I can’t! I can’t anymore! Coming! It’s going to come out! Ooohhh!! Kuoooaah!?」

It was not only Takeru’s exclusive fault. Mikoto’s body would twist in reaction to the youma that was still firmly lodged inside of her mouth. Her esophagus was also being violated at the same time. The regurgitated saliva flowed out of her nose, causing her to make a goofy expression mixed with pain.

A spark ran across her body, melting the remnants of reason inside of her brain. Every time the horny roar would rummage across her pussy, it would suck more tentacles inside of it and spew out even more love juices than ever before. Her field of vision flickered. Her sphincter, which continued to exert force, slammed into the pleasure that melted her body.

(E-Endure! I need to endure it all!)

Still, Mikoto was adamant about enduring this torture. She would do anything in her power to prevail and save Takeru.

「…… You are doing such a good job at holding it in, Mikoto. Nchyuu…… If it was me, I’d probably have already leaked it. Fufu, it looks like it’s going to be really good research with you as my precious subject. Ahh…… Aaahhhn!!」

As she spoke those words, Takeru squeezed her own breast again. She collected the spouted milk in the irrigator again. However, unlike before, she did not inject the collected milk inside of Mikoto’s anus. Instead, her little sister put it in her mouth.

「Ahh, so sweet. My breast milk is so sweet and delicious. Fufu, maybe I should let you drink it some more, huh, Mikoto?」

As if she was tasting wine, she would roll her milk on her tongue and say those dread words.

KISS! SLUURP! SMOOCH!!

「Noo! Yah! Stop…… Huh!?」

I kissed his skin gate as it was, and poured it into my rectum by mouth-to-mouth.

GURGLE!!!

Her belly made a vulgar sound as Takeru would repeat that act over and over and over again.

「That’s a very good sound that you are making, Sis. Now then, hurry it up! Please show me my milk as it erupts out of your insides!」

Takeru, enchanted by the sound that Mikoto’s body was making, pulled her mouth away from her older sister’s asshole, and put the tip of her necktie around her neck against Mikoto’s anus. She then used its pointy part to sink it deep into Mikoto’s intestines.

「T-This…… It hurts…… Pull it out!!」

「Like this, I can stir your precious insides all the way through, Sis.」

A tie mercilessly pierced Mikoto’s anus. It danced in the depths of her rectal cavity, a place where no tongue could ever hope to reach. When Mikoto’s head was going blank with that thought, Takeru repeatedly inserted and removed the tie, sometimes applying a rotational movement to it. Wet with her intestinal juices, the fabric of the tie was completely soaked. Each time, the pain in her stomach would increase, and an unbearable urge to defecate would strike Mikoto. She felt really comfortable with such a humiliating feeling of embarrassment, as weird as it sounded.

And with the more pleasure she was feeling, the more disgusted Mikoto was growing with herself.

Some part of her heart slowly began to tolerate and accept this situation, the one where she was being violated by the youmas. being forced to take part in her little sister’s twisted “experiment”, enduring her urge to defecate on the spot and so on. Her genitals were trembling with ecstasy, and it caused the girl to desire even more. She wanted to be tormented and bullied way more than this by the tentacles. It was a terrifying revelation that one could awaken to.

That’s why the remaining sense of reason inside of her head was fading away. Her waist was held down, and her mouth and esophagus were pierced mercilessly, and her weak limbs fluttered like that of a broken toy. She desperately struggles to escape her younger sister, but she was unable to.

「Don’t even try to run away, Sis. It’s no use wasting your breath for something so futile. From now on, I’ll try to be more kind-hearted, so there you have it.」

However, Takeru did not allow her to escape. She put Mikoto’s head on her back and put her hands around her waist. Because of this awkward position that the two were now finding themselves in, Mikoto’s body was firmly fixed in place, and her elbows were crawling on the floor while she looked absolutely unsightly.

「M-Muhoooh! D-Don’t! Noo!!! Haaah! Ooohhh!! Gehoogh!?」

The hands wrapped around her waist tightened strongly. Her lower abdomen was squeezed, and fluid gushed out from her anus.

「Kafuh……!! Nnnhhh…… Nnnghhh!?」

Still not leaking completely, Mikoto tightened her sphincter at the last minute and endured the sudden urge to let it all out. With the remaining stubbornness inside of her, she stopped at the last line from where there would be no coming back. However, there were also physical limits that she was fast approaching. Her pink-stained complexion turned pale. Her forehead was soaked with sweat. His expression was distorted to the point that she looked like she was about to cry. Her stomach ached sharply, screaming that it couldn’t stand it anymore.

「M-My stomach, it hurts……!!」

Somehow braving through the pain, Mikoto was able to squeeze those words out from the very back of her throat.

「W-Wait, Takeru! Seriously! Let me go……! Let me go to the bathroom! I… I really can’t hold it in anymore……!! It’s leaking out, it’s about to leak out……!! T-That’s why…… why my stomach feels like……」

She no longer had any shame or pretenses left inside of her. Rubbing her cheek against the floor and begging her younger sister to allow her to go to the bathroom so she could empty her bowels there. There was no way that Mikoto could have known that, but her current appearance was exactly the same as that of Takeru when she begged Maki to milk her.

「…… Let you go to the toilet? Sis, I’m afraid that I cannot allow you to do such a thing.」

However, unlike Maki at that time, Takeru dismissed her older sister’s plea.

「I told you this was research, didn’t I? And I can’t possibly report back to Maki-kun unless I manage to obtain some results, namely you leaking my milk from your ass…… I know it’s embarrassing, but please be patient just a little bit more.」

Saying that, Takeru smiled from one ear to another. It’s as if her desperate sentence was her only answer here.

「No! I don’t want that! I can’t! I’m sorry! Please, forgive me! Please, just let me go to the bathroom already……! Nnnghh!? N-Nooo!! It’s leaking! Oh God, it’s starting to leak out of me……! Nnnhhhaaahhh!!!」

Mikoto could no longer even register the fact that the one tormenting her was her own younger sister. She did not even register the fact that Maki’s name was spoken by Takeru just now in the middle of the conversation. She just did not want to defecate right in front of Takeru, and in such an unsightly manner. ace like this-only such thoughts dominate her deep koto spirit. She orders her strong tone towards Takeshi. That was the only thing that Mikoto wanted at the current moment. And so she shouted towards Takeru.