Chapter 15: Practice R-18

"Master, you are back!" Luna said in excitement, as she got off of the bed to greet me. I was currently standing in front of the door, and when she called me master I had a weird look on my face.

At first, the term turned me on because I was horny. After all, what man wouldn't be turned on by a woman calling him master? But now I wasn't here to have sex, I wanted to get my sex prowess to Z grade, and I found the term odd. Especially now that I had a new position in my harem for her...

"From now on, don't call me master, ok?" I asked Luna.

"But why not? You are my master!" Luna replied with a cute and confused face. Although she was in her slime form her face was no different than a human's, except her facial features were made of smooth and squishy blue slime and her eyes possessed a shiny glow that made them look like two pure sapphires.

Come to think of it, I had never seen her outside of when she had shifted into a cute girl from my school and her current slime form. Although I felt that her slime form would be more pleasurable both physically and visually, added to the uniqueness of fucking a slime, I was curious as to what her human form would look like.

"Calling me master is degrading your self-worth. I want you to take a concubine position in my harem, so we will be equals. Call me Dillon, okay?"

A concubine was the second-highest position in my future harem. The total hierarchy of my harem went from lowest to highest; sex friend, maid, concubine, and wife.

A sex friend was simply a woman who I would call if I felt in need of her services. It was mostly for women who wanted to have sex with me and be in a special relationship with me, but not one that involved loyalty or feelings. This would be an uncommon position because I wouldn't waste my time on a woman who only wants me for my body, but if I could also get something useful out of the woman then I would give her the position of a sex friend.

The next position was maids, who are a group of women who have sworn loyalty to me and my household. I planned to make a diverse structure of maids in the future, with responsibilities ranging from simply cleaning my house to slaughtering my enemies, but that would be for the future.

After the maid was the concubine. A concubine was a woman who loved me wholeheartedly, yet I didn't love them back. I could care deeply for my concubine, and have a deep connection with her, but if I didn't truly love her she wouldn't take the position of a wife. I was a romantic man and I believed in things like true love and soul mates, which added to my high criteria and expectations used to make me worry about my future love endeavors.

But now with a magical phone that would change my life and allow me to go on adventures that other people couldn't dream of, how could I not find true love? There must be one girl I can truly love in this expansive universe, right?

And who knows? Maybe the love that I am looking for is closer than I thought, in my bed?

And lastly, the position of a wife. This position is special and reserved for women who have entrusted me with their love, and I paid them back with my own. We are equals and will hold hands through life and death, and I would value them as much as I value myself.

"But...it feels good when I call you master," Luna said with a sad expression.

My expression became confused, how it felt good calling me master? Was that some sort of fetish?

"Where does it feel good?" I asked her.

"It feels good everywhere, it makes me feel happy! You being my master makes my soul feel funny!" Luna answered me.

'Could there be some sort of marking on her soul that makes her acknowledge me as her master?' I thought to myself in confusion. One ideal I will always have is not doing a sexual act with a woman if they don't want it, and although I wouldn't have any problem making a woman want it through lustful torture branding a girls soul is on another level, especially if I wasn't the one to do it.

But the question I have is, who was it?

The answer to that is most likely the same answer of who created this magical phone I have.

Sighing, I stopped that train of thought and said to Luna; "Alright, when we are having sex you can call me master, but outside of that you will call me Dillon, do you understand?"

Luna's face immediately brightened, and she said; "Yes, I understand mast- Dillon! Thank you!"

She gave me a big hug which I responded to by wrapping my arms around her waist, but to my surprise, I felt two round balls against my chest. I looked down to inspect her naked body when my eyes opened wide in shock.

"What happened to your breasts?" I asked in shock. Her breasts used to be simple C cups, cute and perky yet not oppai size. But now they were a solid D cup, and although the size was lacking compared to Lauren the shape and roundness transcended perfection, easily making up for the difference.

Luna smiled, seemingly because of me noticing the change, and said; "The puberty phases of shifters are different than humans, and when we first met I was in the lower stages of puberty. But now I am older and they are big and round, do you like them?" Luna asked me with an expectant look on her face.

How could I not like them? In contrast to Lauren's curves that were huge and yet still within the laws of the world to not sag at all, Luna had curves that were big and had the physics of a hentai female lead!

Now Luna had the exact look of one of those girls in a hentai manga, where they are petite and cute like lolis yet have big breasts and thick asses.

I didn't even answer her question, instead, I moved my hands to her bubble butt and lifted her to the bed. Luna smiled and clung to me, and moved her lips to mine.

By the time we made it to the bed, our tongues were exchanging saliva, and I started to practice my kissing technique on her. I knew from the man forums I had browsed about women who were...sexually positive, which was the term sluts used to make themselves feel better about themselves, that they hated when men were as stiff as a board when kissing. They preferred men using their hands to roam the women's body, and taking the lead with their tongues.

Because of that, I didn't keep my body still. I was already naked and didn't need to take my clothes off, and Luna was laying on the edge of her bed with her legs spread open. I was standing in between her legs with my torso leaned over her body as we kissed passionately.

I placed my penis on her vulva and rubbed it across her inner labia, with a focus on using my penis head to stimulate her clitoris. I would occasionally dip the head of my penis into her vagina and rub it against her sensitive areas for a second, before bringing it back out. This gave her a bit of a taste of what it felt like but didn't give her the full meal.

With my left hand, I caressed Luna's new and improved breasts, my fingers pleasuring and pinching her nipples, while my right hand massaged her nape.

My lips alternated between her lips, her neck, behind her ear, and her nipples. I practiced every single way of pleasuring a woman that I could think of, and as time passed my knowledge of how foreplay worked got better. I was aware that sensitive spots were different in women, but for now, I wanted to practice how to get better at pleasuring those sensitive spots.

The three hidden sensitive spots I found on Luna were her nose, her eyelid, and the area below her armpit but above her sides. It took me a while to find those spots, and I only found the sensitive spot below her armpit when I was an hour in.

Granted I was focusing more on how to pleasure Luna with the common sensitive spots like behind the ear, the neck, and the shoulder.

After an hour passed I decided that there wasn't anything else to learn about outer foreplay and decided to start practicing vaginal foreplay.

"Keep your legs spread for me," I told Luna.

Luna nodded and put her feet to the bed to form an M shape, and I got onto my knees and to her vagina. As I have said many times, the amount of research I had done to properly pleasure a woman was immense. I had already memorized the anatomy of a vagina and I knew the proper techniques to reach the sensitive areas, and I planned to take anatomy classes in the future to obtain a vaster knowledge of every part of the female body to derive the maximum amount of pleasure.

I looked to her vagina and inspected its outer appearance. In my online adventures, I had come across a site that showed hundreds of vulvas and how they look in reality, and I was shocked. The vaginas looked completely different than the image I had in my mind, and some of the vaginas even made me feel disgusted. In one image I saw a vagina with a big wart on it!

Seeing those images made me question the meaning of life for a few days, but soon I got over it with the thought that I simply had high expectations. I lowered my expectations of what a vulva should look like to not back out of future sexual endeavors, but looking at Luna's vulva I found that the image of what a vulva should look like was true!

(A/N. This is true, vulvas are not what we book-reading erotica nerds think of them as. You can check for yourself online! Still, every vulva is beautiful and should be cherished by us dorks!)

Luna felt my burning gaze and a red-tinted blush appeared on her face, her expression a bit embarrassed. She closed her legs by just a little bit, but I noticed it.

Seeing her feel insecure I immediately knew I needed to fix it. I had read online that mental condition was just as important as physical stimulation in sex, and a woman who feels stressed or insecure will have a tough time orgasming.

I got up from the floor and leaned back over Luna's body until my face was over hers. I cupped her cheek with my hand and gave her a slow kiss filled with love and security.

We kissed for a few seconds, and I made sure to express my feelings through my tongue. Soon after her legs started spreading again, and I parted my lips from hers.

"You look enchanting. To have the privilege of seeing you makes me the luckiest man alive," I said with the sexiest voice I could muster. The corniness of what I had just said made me slightly embarrassed, but I knew that women loved romantic gestures like that.

As I expected, Luna's face brightened and a radiant smile appeared on her lips. I subconsciously smiled back and got back down to my knees to inspect her vagina. Her outer lips were prominent yet not chubby, and her clean pink inner lips were tucked inside like a beautiful rose. The glistening effect that her plentiful amounts of vagina nectar made her lips even more beautiful, and I immediately got ready to start practicing.