Chapter 20

　Sion watched Lilia and Mars having sex.

　She had seen other mermaids having sex, but this was very different.

　Mermaids mate in an instant.

　Insert the mating device and inject low-viscosity semen like water, and it’s done

　Since it’s an act in the water, it inevitably leaks out, so the amount is greater than the human average but thinner.

　There is no foreplay or caressing, and it’s not even an expression of love, just an act for reproduction.

　Mermaids can live for a long time as individuals and are not very proactive in reproduction.

　Especially males are notably so.

　They do not want to have children, as it takes several hundred years for them to grow up.

　Only women want children, and men see children as a hindrance.

　Therefore, women’s value is also considered low.

　Sion’s husband was a typical example of such men, and although he married her because he was a warrior, he had no interest in her. Sion herself did not know, but he didn’t even remember her name. He didn’t come back because he had no reason to.

　Usually, species with shorter lifespans have more numbers, and the longer they live, the fewer they become. That is the basic principle of nature. In other words, the stronger the creature, the fewer in number. In that sense, humans are an exception and can be considered quite strong in terms of sexual desire.

「Aahh, ahh, ahh!♡」

　Hugging Mars and pressing her breasts against him, Lilia was shaking her hips up and down.

　Although they have only known each other for a short period of time, Lilia has never shown such a lewd face and voice before.

　She was straddling him, rubbing his thing against her own comfortable spot.

　――It looks feels good. And she looked happy.

　Mars and Lilia both have their faces reddened and are breathing heavily.

　They intertwine their convex and concave parts, writhing in the pleasure of the friction that arises from there.

　They move their hips as if pleasure, joy, and ecstasy are fused together.

　There was no sign of reluctance or pain. There was only pleasure and love.

　The two of them don’t care about their surroundings at all.

　Perhaps they don’t have the luxury to care.

　They are already covered in sweat like pearls on their bodies and completely immersed in pleasure.

　Their passion intertwines, something that mermaids don’t have.

「Oh, Mars, oh, Mars! ♡ Aaahh!

「Mars, ahh, Mars!♡ Cumming, I’m cumming…..!♡ Aaahhhhh!♡」

　Shivering, Lilia’s hips convulsed and moved up and down until she stopped and pressed her face against Mars’ head.

　Immediately after, Lilia let out a big exhale of air from her whole body.

「Fuhh, aah, nnmhhh….!♡ Aahhhh……♡」

　There was a trembling coquettish voice mixed in.

　It sounded like she was crying.

　――Is that a climax?

　 Lilia’s body was shaking in sync with her breathing, and it seemed impossible to control.

　It appeared that she was sinking into pleasure, completely at the mercy of Mars.

「Lucky her…..」

　Next to Sion, Hazuki made squelching noises as she vigorously masturbated.

　Her thighs were gleaming with love juice.

　Sion didn’t know if Hazuki had prepared for this or if she just couldn’t control herself.

　She felt envious either way.

　Not so much for the sex itself, but for being able to be in a place where you can feel another person’s warmth.

　Since being with Mars and the others, Sion realized that she wanted to share something with others.

　It could be a small chore or a chat.

　They would talk about what they felt and ask each other for feedback.

　She understood that it was those little accumulations of sharing that added color to life

　Perhaps everyone felt the same way and the scene unfolding before her was just another part of that.

　Sharing the pleasure, the body temperature, and the shape of their bodies, they are exploring their own amorphous hearts.

　In the end, Sion oddly felt convinced that she couldn’t understand herself without someone else’s perspective.

　Only by passing through the filter of another person could her purest parts be sifted out.

　No matter what, she was an incomplete being on her own.

　Zion, who had been carrying a helpless feeling of emptiness, finally came to understand that sharing is what he truly desires.

　――I was lonely, I suppose.

　She hated not being able to share anything.

　No matter what she could do or what she had, it was just empty if she couldn’t share it.

　As Lilia’s breathing calmed down, Mars fell down and made Lilia straddle him.

　And then, they held hands.

　Lilia, who had fallen down, kissed Mars and began to move her hips up and down again.

　The smooth movement of her hips, moving smoothly in all directions, felt practiced.

「Mmhh, nnhh, i-it’s so deep!♡ In this position, aahh!♡ With my weight, it goes all the way in…..!♡」

「I-It feels good no matter how many times we do it… I’m about to come soon.」

「L-Let it out, i-inside me!♡」

　Mars thrusts up from below.

　Mars was breathing heavily as his hips moved up and down.

　Does it feel that good?

　As Sion was imagining Mars’s pleasure, Mars who pushed up his waist, suddenly stopped.

「It’s so hoott…….♡ A lot of it comes out…….♡」

　*Grind, grind* as she swayed her hips, Lilia looked at Mars with an ecstatic expression on her face.

　They continued to kiss while lying down for a while, but eventually, Lilia got up and separated from Mars.

　Semen, which had hardened halfway, drooped from Lilia’s crotch.

　It was more like a solid than a liquid, and it dripped heavily with weight.

　Then Lilia put her mouth on Mars’ cock, which was covered in semen and love juices, without hesitation, and began to lick it with a lewd sound.

　The semen-covered cock looked obscene and shiny.

　Suddenly, Sion found herself reaching for her own lower body.

　Her genitals, modeled after Lilia’s, were sticky and wet.

　Although they looked the same on the outside, they were supposed to be her own reproductive organs on the inside.

　She had always been interested in it. She wanted to do it.

　However, she was not in heat.

　When she placed her hand on her chest, she realized that her heart was beating unbelievably fast.

　The depths of her body were hot.

　Even though her body had a low body temperature, there was a heat that seemed to be burning from within her body.

　The source of the heat was in her lower abdomen, in the womb where the egg was located.

　Was she perhaps wanting to become pregnant with Mars’ child?

　At least, that is what my body thinks?

　At the same time she thought that she felt ashamed.

　She hadn’t even given her body to her husband, yet she wanted a child from a boy she just met, and not even from the same race.

　But, after all, as an animal, perhaps it was just how things were.

　At the base of even the most advanced emotion is instinct, and instinct chooses its partner honestly.

　Instinct values only whether one can produce a strong child, regardless of what one possesses or what one’s position is.

　That instinct chooses, and emotion justifies and decorates the impulse.

「Um……! Would you mate with me, please!?」

　If she just stayed silent like before, nothing would change.

　Don’t forget the failures you’ve repeated for 700 years.

　If you hide your impulses, despair will come.

　Her voice came out naturally as she thought about it.

　Even she was a little surprised.

　Then, Mars looked at Sion.

　She felt a slight sense of fear.

　Because Mars’ gaze was different from before as if he was trying to evaluate the goods.

　She felt as if he was licking her entire body with his eyes.

　Until now, Mars had been a gentleman towards Sion, but in this situation where he had no need to hide his sexual desire, his primal instincts were fully unleashed.

　There were two women present: one who was pleasing him sexually and another who didn’t hide her own arousal while masturbating.

　Compared to these two, she was considering whether he should expend his energy to mate with Sion.

　Unsure of what to do, Sion stood up and took off all of her borrowed clothes.

　Thinking that she needed to make a proper effort to entice him.

　Being practically naked already due to being in the ocean, she felt less embarrassed than she would have otherwise.

　However, exposing her body to lure him was a new experience and made her feel ashamed.

　Although it was the same act, emotions could change depending on the situation.

　She wasn’t sure what the right thing to do was, but she climbed back onto the bed and opened her legs in an M-shape.

　Thinking that showing her genitals would be the easiest way to entice him.

　While the exterior belonged to Lilia, the interior was hers.

　“I feel ashamed of showing the private parts that should not be shown to others and arousing the desire to copulate”. Shion felt like blaming herself for it.

　But she could not control her impulse.

　She, too, was a hot-blooded creature. She just had that heat in a deeper place than others.

　Her melting genitals proved her urges, and her urges affirmed her deeds.

　Reacting, Mars, who was lying down, raises his upper body.

　His gaze was directed towards Sion’s genitals, and he was convinced that his actions had not been a mistake.

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