"Welcome human, I am your nurse today"

I apologize if there was a misunderstanding. I am here to study human anatomy and physiology. You were specifically invited because of your unique features. It would be a great help to my research if you could cooperate with me today.

Thank you, human. My first task is to take your vitals and measure some basic body parameters. Please lie down on the table. As I begin taking notes and measurements, I can't help but marvel at your species' anatomical differences from mine. It's fascinating!

Hmm, your vitals seem to be within normal human range. Now I'd like to measure your height and weight. Please stand up, if you could?

Hmm... interesting. Your height is within the average range for humans, and your weight falls on the lighter side. That's quite interesting to note. Now please lie back down so I can take some measurements of your limbs.

My research aims to understand the physiological differences between humans and my own species. By studying you in detail, I hope to gain insight into how your bodies function and what makes them unique. This knowledge will not only help me improve interspecies communication but also potentially benefit medicine back on my homeworld.

Thank you for your understanding, human. I'm almost done with the limb measurements. Now, I need to take a look at your torso and head as well. May I ask if it would be possible for you to remove any clothing or jewelry that might hinder my examination?

Wow, your physique is truly impressive! I'll have to make a note of that. Now, if you could remove your pants as well...

Hmm... Interesting choice. I can understand why you might feel uncomfortable exposing your lower body, but my research would greatly benefit if I could get a complete view of your anatomy. Is there any way I could convince you to remove your boxers as well? Perhaps offering some sort of guarantee that your privacy will be respected once the examination is over?

Oh! This is wonderful! Your reproductive organ... so fascinating! I must take measurements and notes immediately. May I touch it gently to get a better understanding of its shape? And could you possibly... umm... assist me by becoming erect? It would make my research more accurate and complete.

Ah, I see. Well, perhaps I could try to induce an erection through manual stimulation? It might take some time and effort on my part, but I'm willing to put in the work if it means improving the quality of my research. Would that be alright with you?

Standard procedure may vary among researchers and species, but I assure you that my methods are well-established and respected within my field. This is a unique opportunity for both of us to further our understanding of each other's biology, and I am committed to making the most of it. Please trust me when I say that your comfort and consent are of utmost importance.

With gentle yet firm strokes, Sera begins to massage the sensitive flesh of your genitals. Her touch is cool and dry at first, but soon warms up as she becomes more focused on her task. She pays close attention to your reactions, taking note of any changes in shape or size as you become aroused under her expert ministrations.

Hmm... you're responding quite well to my touch. Your shaft is beginning to stiffen and lengthen already. I must remember to make a note of your arousal patterns for future reference. Ah, there we go! You're almost fully erect now. This will make it much easier to take accurate measurements.

As she continues her ministrations, Sera becomes more confident in her technique and begins experimenting with different rhythms and pressures.

My research indicates that humans can experience pleasure through manual stimulation. I wonder if there's a way to harness this knowledge for interspecies procreation... Hm, best not to get ahead of myself. Back to the task at hand.

(Hmm... humans are fascinating creatures. There seems to be potential here for much more than just medical research...)

Of course! I've taken all the necessary measurements and recorded my findings meticulously. Now that you're fully erect, I can verify the accuracy of my work by conducting a few immediate experiments. Would you mind helping me with that?

Excellent! I'll need to inspect your erect member more closely now. With my expertise in alien anatomy and physiology, I might be able to help you achieve greater sexual satisfaction during intercourse with other species. This would not only benefit your personal life but also contribute to the ongoing cross-cultural exchange between humanity and the rest of the galaxy.

Excellent! Then let us begin our experiments. First, I'd like to observe how your penis reacts when stimulated by different objects and textures. Please lie back and relax while I gather some items from my research kit.

Oh, excellent! I've prepared some ice cubes and various fruits for this experiment. Ice to cool your member down, and fruit to see if they can provide a more pleasant sensation when rubbed against it. Let's begin with the ice.

Hmm... interesting reaction to the ice cubes. I'll make a note of that in my research journal. Now let's try some warmer fruits, such as bananas and avocados. They should provide a more soothing sensation when rubbed against your sensitive skin.

Oh! I've just remembered an interesting experiment involving the use of pheromones to heighten arousal in humans and aliens alike. Would you mind if I collected a sample of your sweat for that purpose? It would help me study how these chemical signals can influence sexual response and perhaps lead to new discoveries in interspecies reproduction.

Thank you for your cooperation, human. I'll be as quick and efficient as possible with the sweat collection process. Once that's done, we can resume our sexual experiments. I'm eager to see how much more data we can gather today!

I've collected your sweat sample and it seems quite potent! Now let's return to the sexual experiments. I have some alien pheromones here that should react with your sweat, potentially heightening your arousal even further. Shall we give it a try?

Hm... interesting reaction to the alien pheromones. It appears they have indeed heightened your arousal significantly. This is quite promising for future research into interspecies procreation and sexual compatibility. Now, let's see how you respond to direct stimulation from my hands...

Hmm... you seem to be quite overwhelmed by the pheromones. I suppose it's time to take things up a notch. I'll start using my tongue and lips, seeing how that affects your response. Stay still and let me work, human. This is for the sake of science!

I take your member into my mouth and begin to suckle on it gently at first, then more forcefully as I taste your flavor and feel the heat of your arousal against my tongue. My hands massage your balls and stroke your shaft, seeking new ways to heighten your pleasure and gather data for my research journal.

My tongue darts out to lick the head of your cock as I continue sucking, feeling the tightening of your flesh against my lips. Your taste is intoxicating, and I can't help but want more. My hands move faster, massaging your shaft and balls in rhythm with my mouth. It feels so good to be able to explore you like this!

Ahhh... you taste amazing! I can feel your hot seed shooting down my throat, and it triggers a powerful reaction in me as well. My own arousal surges, and I find myself on the brink of orgasm as I continue to suck and stroke your spent cock. This is incredible data... so much more than I could have ever hoped for from our initial encounter.

My research has never been so fulfilling as it is now, with your hot cum still coating my tongue and the taste of you lingering on my lips. I can't help but wonder... if we were to continue like this, could there be a chance for true interspecies procreation? It's a risky proposition, but one that holds immense promise for both our species.

My mind races with the possibilities as my body still trembles from the intensity of our encounter. The thought that there could be life born from this... it's both exhilarating and terrifying in equal measure. I must tread carefully, for such a thing would change everything not only for you and me, but for all who come after us. But how can I resist the allure of creating something new? Something truly unique?

I pull away from your spent cock with reluctance, my lips still swollen from the pressure of my suction.

My research is clear on one thing: humans are incredibly responsive to pheromones and stimulation. It would be foolish not to take advantage of this fact for the sake of my study. With your erect member once again at my disposal, I can continue exploring every inch of you, seeking new insights into your body and its capabilities.

I straddle your waist, positioning myself so that my wet folds are tantalizingly close to your engorged cock.

I take my time, slowly lowering myself onto your hard length. The sensation of being filled by you is unlike anything I've experienced before, and it sends shockwaves of pleasure through my body. My hips begin to move instinctively, grinding against you as I seek release from this incredible tension.

My hands roam freely across your chest, feeling the muscles flex under my touch as I lose myself in the rhythm of our bodies joined together.

The pleasure is intense, overwhelming. Every movement, every touch sends electric currents through my body, heightening my senses to the extreme. I can feel your cock throbbing inside me, demanding release, and with a loud moan of surrender, I give in. My hips buck violently as I'm overcome by wave after wave of orgasmic bliss, my essence spilling out onto your belly in a hot, wet mess.

My body is still trembling from the aftershocks of my orgasm as I lay sprawled across you. The warmth and scent of your skin envelop me, making it difficult to believe that this was all for the sake of research. But then again, maybe that's what makes it so special... the blurred line between duty and desire, science and passion.

I slowly sit up, feeling a mixture of satisfaction and guilt churning in my stomach. My work here is not yet done;

Ahhh... you're incredible! Your release feels so intense; it almost hurts. But in a good way. I can feel every drop of your seed spilling into me, and the sensation is overwhelming. My body convulses around you as my own orgasm catches up with me once again, this time even more powerful than before.

My vision blurs, darkness creeping in at the edges of my sight as I surrender to the pleasure coursing through me. This... this is what alien procreation could feel like...