In a large stone onsen, I currently sat naked, my lower back pressed against the stone of the tub, and the top of my breasts floating above. I had just arrived in the bath and decided to relax while waiting for Diabla. Rem and Shera seemed to be enjoying themselves, joking and teasing each other.

I have to admit, being a female is quite an adjustment, but it could be fun.

Interrupting my thoughts, I heard footsteps approaching, and I turned to see Diabla entering the bathroom. She had a towel wrapped around her body, looking embarrassed as she glanced at us. It's understandable, considering she was a man just a day ago, and even a shut-in Neet at that. Of course, it would be embarrassing for her to see us like this.

I playfully smiled at her, encouraging her to drop her towel and maintain her demon lord persona. She joined us in the large bath, naked, her enticing breasts bouncing as she settled a few feet away from me.

"Why did you take so long, Diabla? We're almost done," Shera asked curiously, giving the shy demoness a questioning look. Diabla put on a brave face and replied, "I had trouble getting my clothes off." The other girls nodded, got out of the bath, and began drying their bodies.

As the two girls left the bathroom, giving us a quick glance, I moved closer to Diabla, our bare thighs touching. I put my arm around her shoulder, feeling her tense up slightly.

Before she could react or move away, I whispered seductively into her ear, "You know~ if you had trouble getting out of your clothes, I could have helped you." My intentions were clear in my tone, and my smooth black tail slithered along her left thigh, causing her to blush heavily.

But just before my tail could reach her inner thighs, I pulled back, still sitting with our thighs rubbing up against each other. I laid my head back on the wall, pretending as if nothing had happened.

Why would I give her pleasure without her begging for it? And without receiving it myself?

Diabla turned to me, looking as if she felt wronged. "W-Why did... I mean... Uh," she stammered, unsure of what to say in this situation, as she looked at my relaxed expression and playful eyes.

"Do you mean why did I stop?" I asked, watching her face flush at my question. I couldn't help but giggle. "Well, that's because you didn't beg for it. What have you done to deserve it? I only reward good girls," I said, with a tinge of amusement in my tone. Diabla audibly gulped at my words.

"B-Beg? I am a demon lord; I do not beg," she replied, slightly stammering at first before regaining some composure.

I hummed thoughtfully. "Is that so~? Then I suppose you won't be getting a reward," I dismissed, standing up as droplets of water drip off my body enticingly as I prepared to leave the bath. But right before I exited, I heard Diabla speak up from behind me.

"Wait! Ahem, I mean, wait. You said you only reward people who deserve it, right?" Her voice sounded eager, and I saw her standing as well, water dripping off her seductive body as she walked closer hesitantly before speaking again. "T-Then I will do it first," she said, embarrassed, her eyes hungrily scanning my body. It was all going according to plan.

I tilted my head innocently. "Oh, what will you do first?" I teased, causing Diabla to flush slightly.

"A-Anything!" she replied enthusiastically, still eyeing my body with hunger.

I giggled playfully, taking a seat on the smooth stone-tiled floor at the edge of the bath. "Then why don't you get started~?" I said alluringly, spreading my legs and enticingly eying the demoness. She gulped and began making her way toward me.

As she knelt in the bath, water reaching up to her mid-breast, she came face to face with my crotch. She stared at my dripping slit and hesitantly moved closer, hunger evident in her eyes. She gave it a lick, causing a surge of pleasure to course through me, eliciting a slight moan. She then began lapping it up faster, hesitantly at first.

"Mhm~, my little demoness, is that all you've got?" I said playfully, grabbing her by her two large black horns on the side of her head and grinding her face against my crotch. I looked down at her in sadistic pleasure, seeing her hungrily lap up my juices despite being in such an uncomfortable position.

After about fifteen minutes, my tail had already moved down to one of her breasts, rubbing against her nipple and eliciting slight moans. I continued grinding her face against my drenched pussy, moaning in pleasure as I released a load of my juices onto her. She eagerly slurped it up before pulling herself back from in-between my legs.

I sighed in delight. It had been a while since I had a release, and certainly not like this.

Smiling at the girl still on her knees, looking at me in a dazed state after I had played with her for so long, I reached down and softly laid a hand on her right cheek. "How about we make a deal~?" I said, my voice tempting, as my tail rubbed circles around her right nipple, causing her to shudder.

Diabla swallowed and asked, "What kind of deal?" Her voice momentarily stuttered as the tip of my tail grazed her nipple, her face flushing slightly.

I smiled, pleased that she didn't outright deny it. "You become my pet," I said before she abruptly stood up, pointing a finger at me in anger. "I would never become someone's pet! I am a demon lord!" she exclaimed, angry and embarrassed. I couldn't help but giggle.

"Please, you're currently nothing but a powerful demon right now, with no title at that," I said, amusement clear in my tone. She froze, taking in my words. "But if you had let me continue~," I continued, "I was going to say if you become my pet, you will receive all the pleasure this world has to offer and more." I said enticingly, my lustful aura filling the room as the demoness gulped.

"What... What do I have to do?" she asked, obviously enticed, her eyes hungrily fixed on my body, ready to pounce at any moment.

I giggled, disappearing from my seated spot on the stone-tiled floor and reappearing right behind Diabla, a little to her left. "Nothing, my dear. From now on, you are mine~," I whispered into her ear. She shuddered as my hot breath tickled her ear, completely melting as my left hand slithered its way across her slit and to her clit, using lust magic to give her the biggest orgasm of her life. She collapsed helplessly into my arms.

Grinning, I saw a glowing pinkish-purple heart-shaped brand appear above Diabla's crotch. This is my succubus brand, which makes the recipient hornier and more willing to listen and obey me. I take my role very seriously. If I say I am the demon lord of lust, I am. Therefore, while I am in this world, I have transformed myself into a powerful succubus.

I picked up the unconscious demoness in a princess carry and floated out of the bath, the water evaporating off our bodies as we moved. I made my way to the changing room that led to a large, luxurious bedroom.

With a thought, two sultry, tight-fitting black nightgowns materialized on our forms as I made my way through the changing room and entered the large bedroom. I could already see Rem and Shera lying on the comfy king-sized bed, looking at us in confusion.

"What's wrong with Diabla?" Shera asked, sounding worried as she stared at the unconscious demoness in my arms. I smiled sultrily, replying, "She simply had too much fun." I didn't elaborate on what I meant, but it was quite obvious since they knew who I was. They blushed in response.

"You pervert," Rem said, expressing embarrassed anger.