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The following is a fan-based

FICTION

Mushoku Tensei: Jobless Reincarnation and other products set in the same universe are all owned by Rifujin na Magonote, Shirotaka, Shosetsuka ni Naro, Media Factory, and Studio Bind.

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Ero 1: Ghislaine's Mating Season - 1

There are times I really regret having been sent into a fantasy world with beast people.

Like, I had nothing against them in the general sense of their existence, but I sure learned about a specific thing in their behavior and physical features that I hadn't really considered about. It all started one lovely morning as I was getting ready to go through the usual stuff. Getting clean, fixing my clothes, putting on my light armor and making sure that I got everything I might need for standard missions.

Once I was done with that, I left the safety of my room and... realized that something wasn't there. Normally, Ghislaine would be there already waiting for us. Zen would join us last, and the blonde was as punctual as usual, humming and beaming at me as she tended to do.

"Oh, good morning John," She greeted politely and then turned to... an empty spot. A frown adorned the healer's face. "Is... Did Ghislaine leave early?"

"I don't think so. Maybe she is still sick like yesterday," I guessed, remembering how she went to sleep early since she didn't feel well. I was blissfully unaware that I was partly correct with that assessment. "Can you go and check on her?"

Zen nodded, carefully going for the fellow woman's room. Ghislaine never locked it. She barely slept so she was always vigilant for any sneaky situation and was keen to take care of those brutally if those ever happened. It didn't, but I would have expected more blood in the hall if something of the kind had really unfolded.

Approaching cautiously, the blonde opened the door just enough to peer inside. She peeked in, leaning into the room and looking around before tensing up, her jaw dropping and her cheeks suddenly burning red. The door shut just as a muffled moan got into the hall, further confusing me as I turned my full attention to her.

"What's going on here?"

"I-I... I think Ghislaine is in her..." Zenith gulped nervously, still blushing and unable to look at me as her gaze strayed to the nearby wall, a nervous twitch of her lips emphasizing her current unease. "I-In her Mating Season."

I stared at Zen for a while, or what felt a perplexed eternity as I tried to grasp the overall situation. Mating Season. Ghislaine has a Mating Season. And she has one right now. And...

"She is in heat," I blurted out quietly, but the words reached Zenith's ears as she suddenly nodded, confirming my suspicions.

I was confused nonetheless as this didn't make sense. Why the hell didn't she bring this one up if she thought she was close to having it now?

"Can we do something about it? Potions, spells-"

"N-None that I know," Zenith replied, still tense. "Maybe- I don't know."

I sighed, shaking my head at the situation and ultimately decided I had to dig more into this.

"Okay, you stay here and allow no one to get near the room, I'll be back in a few minutes," I calmly said to the girl. "Just the time to buy some books on the matter and check what we can do, okay?"

Another rapid nod, the poor blonde wasn't exactly prepared for what she had seen and I left her to sort out these thoughts while I went to go through this new situation. Mating Season, Heat- why the hell those were a thing? I guess that's another thing to put on the 'Fantasy World Illogical BS' list that I had started to create in recent months. The blitz to the nearby apothecary led me to two books on the matter and a few hints from the shopkeeper, an old lady, which summarized in: "Get ready for some plowing, boyo."

I didn't need to hear that, not when I wasn't trying to jump at that solution just yet. Not if there was a chance to make it less unpleasant for Ghislaine. The books were still clear despite how little was known of the process. Beast People went nuts on sex and they wouldn't stop until they either got a baby in them or had their quota of fucks fulfilled. The former was more likely than the latter. I gritted my teeth at that frustrating notion, trying to find anything that could be used as an alternative, a substitute to banging Ghislaine.

I wasn't against the act, she was a gorgeous woman and all of that, but it was more like... the fact this all felt so forced on me, on her- on us. And that is if Zen is ignored from the whole equation. Millis was as strict as old Catholicism in this regard, that sex shouldn't be used as nothing more than a tool of procreation than anything for pleasure. While she wasn't as strictly tied to it due to her background, I still knew that was going to put us in a very difficult position.

The second book was the hope in that regard as I tried to find ways to handle it. Tragically for me and my morning brain, what I thought would have been a guide to safely handle the mating season proved to be a porn magazine with a well-disguised title. That I felt was the worst kind of joke to throw in my general direction and... it stuck me in this situation.

If the heat wasn't handled accordingly, Ghislaine could really hurt herself by committing some stupid decision for if her needs weren't satisfied at a proper timing, then those would only grow and get her desperate and ready to use her own abilities to land some good lay. And that was the worst case scenario regardless of the un/fortunate fool getting that treatment.

Knowing that the chance was time-limited and I couldn't waste time running around trying to find some unfound solution to this situation, I decided that I would have to go through it and brave the storm of the aftermath for her sake. Ghislaine, I started to dislike her for her attitude and now she was someone I had to help through a very intimate way. Which was wrong, but she was definitely going to feel good. We both were going to.

So, instead of finding a silly solution for the heat, I relied on a solution that I knew had to exist, one that I found beneficial to at least prevent some 'happy accidents' once we were done with that deed. Mind you, putting on a family sounds lovely, but within the current situation that felt... bad. Like really bad. Economically bad. Plus, that's not a good way to end up with that responsibility, especially for someone like Ghislaine.

I was back to the Apothecary, the old hag giggling like the elder bitch she was when she noticed the book I was now buying. It was no secret for many that nobles had paid fat cash to get a solution to possible illegitimate children. And that solution ended up being a special seal that was meant to last for as long as there was mana in the user's body. It was a solution that was barely used since not many nobles nowadays had that kind of magical prowess to match their sexual hunger. Hence why bastards were still a thing and pregnancies were quite common when the lords were that kind of perverts.

Now, I shouldn't have any problem with it, even though I suspected that it was going to be a very long session due to Ghislaine's natural stamina and her desire. I committed to the cause and started to march back in the Inn. No one had noticed much of the situation, only seeing me alone as I left and got back without a mission. We wouldn't be facing any trouble in that field but... I was worried about how Zenith was holding her role. Seeing her reaction, I half-expected her to be still the same as I left her, right on the same spot.

...

Zen was no longer at the door.

My blood turned cold at the sight, eyes going wide as I rushed up to Ghislaine's door and paused to see it partly open. Could it have been someone who had seen the situation and moved in to do something nasty about it? I just bolted to check if that was the case and... when I looked inside I was introduced to a completely different situation. Moans filled my ears as the door closed behind me.

But instead of three individuals in that room, there were only two.

Both girls, both having familiar faces, both in different states of undress. Zenith shivered as her lips were stolen by another kiss from the Beast Woman, her hands caressing Ghislaine's hips as she was lost in the daze formed by that lecherous disposition. Meanwhile the swordswoman had started to tease Zenith's breasts, her fingers sticking more around her breasts as she unbuttoned her shirt and revealed the blonde's tits.

My arrival held little to no reaction at first, but I believe Ghislaine picked up real fast that the scene had me acting a bit below the belt. Her nostrils flared, her feline ears twitched as the kiss ended and her gaze moved towards me as I slowly approached the bed. A lustful but restrained look was on her face, but she didn't greet me, a job that Zenith took care of.

"J-John?" The blonde inquired, still shivering from the teasing. "I-I'm sorry- I tried- I tried to help her but Mhh~," She stopped for a moment, the Beast Woman teasing her boobs some more. "She- she suddenly pulled me in."

I was... a bit floored. Truth be told, this just exceeded what I could have predicted and landed me in an even greater moral question. Was this even alright with Zenith in there?

"Are you alright?" I asked quietly and the girl gave me an odd look.

"Y-Yeah."

...Could it be that little Zenith is a bit of a repressed girl that just got seduced by some debauchery?

I tried to get some reason out of it beyond what I could get on the spot, but I ultimately decided that at this point, there wasn't much I could do for her without making it way more complicated for us all. Just as I stopped by the edge of the bed, Ghislaine bolted from Zenith's side much to the blonde's surprise and... annoyance. She knelt before me- or rather before my groin. Her one-eyed gaze was aimed at the crotch as a tent had formed in the meantime.

"Ghislaine... how are you holding?"

"N-Not good. I... I want to... to do it. With you. A lot. Intensely," She muttered words quickly, her famished gaze further adding to her growing heat. "C-Can I? Can we do it? Please, let me do it?"

...Dear God, this is so awkward and... So exciting~.

I didn't say anything, but I pulled my pants down. I had already applied the seal on my wrist, so I shouldn't be worrying about the worst and... Ghislaine was suddenly tense and eager, her posture was stiff, her tail had gone super-stiff and her mouth had opened to allow her tongue out as she breathed loudly. One step, that's all it took for her to go into action. Since this was still her first time, there was much that could be said about her own experience.

Ghislaine was a rough individual, even when it came to blowjobs. Then again, she didn't go just for a simple BJ. Her tongue went nuts as soon as it was within reach, bathing shaft and balls with intense vigor in an effort to get the entire taste of the cock in front of her within her mouth, to learn about it, to memorize it. Her moans of delight filled the room as she diligently cleaned up the dick in front of her. Zenith stared at the sight with wide eyes, but while it was clear it was out of shock, it wasn't the bad kind of shock. Not when she had her right hand teasing at where her groin was under her skirt while this happened. Yep, she was enjoying the show despite how surreal it all felt to both of us.

Slurping and sucking on my cock, the Beast Woman just didn't seem to mind the attention, only focusing on the deed and eventually going in for the kill. Bobbing her head back and forth, her succ power proved to be decent enough to eventually draw me to the first of many climaxes. She tensed up just as she felt the cock throb more than before, bracing as cum stormed into her mouth and filled up her cheeks. She instantly started to drink it all without hesitation, the heat controlling her senses and turning the usually unsavory treat as the most delicious thing she had ever had the chance of drinking.

Once I was done with that, she pulled away, a soft 'pop'-like noise dignifying the moment her lips were away from the cockhead, taking a moment

She lied down, her legs spread wide open to reveal the messy state of her pussy. She had a bit of white pubes slightly above her clit, her cunt soaked in her own juices, begging to get something hard to stab deep into her. And she got her wish as that sight really got me rock hard once again. Despite her seemingly tired look, I could tell she was up for that and more. No, Ghislaine wasn't tired, she was... submissive. Her brain definitely switched to 'Breeding Mode' the moment my length pressed onto her warm lips. But before I could go through it, there was something I had to check. Something stupid at this point but... I wanted to do this. I leaned down, my face close to hers as my cock pressed right in front of her lower lips.

"Ghislaine, I want you to know that it's alright and that we care for you. I will be gentle so please... trust me?"

She shivered, nuzzling her cheek against mine. "J-John... Thank you. For helping. And yes. I... I trust you."

"Always there to aid you, Ghis."

As the cock entered her, slowly piercing through and landing deep into her pussy, Ghislaine allowed a pleased grunt to leave her lips. I would have expected something pain-driven considering I took her virginity in that first penetration, but as I would learn from a second reading of the book about Beast People's mating seasons, that feeling was dulled out to provide the best opportunity for first-time bed-fellows to have fun and not be stopped by any unpleasant feeling coming from that first contact.

It took me a while to realize she was up and ready to go at a higher pace, with the Beast Woman being the one to slam her hips back in a very hungry manner. I noticed and I went to comply with her request by starting to thrust in and out at a faster pace. She instantly shivered in pure bliss, accepting the satisfying speed we were both going at.

But in that crazy euphoria, someone else had decided to make her move. I almost jumped in surprise when I felt two soft pillows pressed onto my arm, but I was stunned into a state of pure mental peace when I felt someone bring me in a kiss. Soft, delicious, my tongue clashed against her. Zenith had moved without me noticing, but her pressing her body against me, her breasts nudging onto my arm, and her lips suddenly putting me through an unplanned hot and sloppy kiss just put me in hyperdrive.

A development that Ghislaine just seemed to fall in love with as I felt her inner walls press down on my cock, clamping onto it with what felt like desperation and yet was completely coated in pure desire. I pounded that pussy into begging for it, she started to slurrily speak mid-moans, to ask for to be bred, to get a child in her- all ravings from her current pleasure-addicted state of mind.

It definitely got crazier when Zenith pulled out from that kiss, so lost in the moment as she started to narrate the scene as if it was her current thought.

"Look at how horny she is, Ghislaine never behaved so intensely, so brazenly- she looks like a bitch in heat, like a harlot- except thinking more about getting pregnant than anything else. Such a sinful glance. John, isn't it sinful? To give her a pregnant belly? To make her take care of your children as she desperately beg for your cum? Wouldn't it?"

I couldn't say anything, the entire scene just driving me nuts with sex. The blonde kept on talking, her gaze unfocused as a lecherous smile appeared on her face, with one of her hands resting on my upper back, almost pushing me to get back to plow the fellow woman, while the other one was playing by my abs. Ghislaine seemed to hear the narration after a certain point, her sex-crazed mind just playing too deep with it and eventually getting her just ready to get a big filling. I had sex before, but the end result that came out from this insane session just stunned me as I felt like I had gone way more than before with how much cum I let out. I felt a little drained, just as usual, but I could tell I had done more than enough when I saw a large stream of white pour out of her pussy, with most of that load remaining deep in her.

Quietly, Zenith reached out with one of her fingers at the hole, carefully retrieving some strings and bringing those to her lips. She suckled from her digits, looking surprised for a moment and then nodding. "It's not as sweet as I expected it to be. But... I guess it's not that bad. I could go for more~."

And all that was just the beginning of a very long day and... a very long month.

Now, one would think that this would be it. Ghislaine would still need some dicking, but she wasn't as needy as before. We would just find an appropriate time and place to do so and we would do it. Zenith would always be there, never losing her V-Card due to her own moral obligations, but making sure to never lose the chance to be part of the action. And even as the Mating Season subsided, some new rules were there to remain.

Specifically the one that saw us share the bed way more times than necessary, with Ghislaine in the middle, enjoying getting sandwiched by her two party members, and playing the little spoon between us.

At least things didn't get any crazier than that. My mind just wouldn't have handled it well...

AN

Timeline-wise, this happens 'midpoint' by the next Main Story chapter. And yes, no pregnancy resulted from this. This is a bit too early for it. It will happen, just not yet~.