Using a Mysterious Spellbook Ended Up Creating a Slave Harem - Chapter 10

 Erika Wakisaka - Part 1

Cradling Erika in my arms, I entered the sex room and laid her down on the mattress spread out on the floor. Secured around that mattress at the upper and lower sections was a set of straps equipped with eight metal rings.

As I looked down at the recumbent Erika, an insane surge of excitement welled up inside me. It was only natural; back when I was a junior high student, I had released my desires countless times while looking at gravure shots of her in her swimsuit. Gazing at her sleeping form made me want to pounce on her then and there, but I suppressed the urge and set about making preparations. After stroking her medium-brown hair just once, I stepped out of the sex room.

"First, let's check her luggage. Since she's staying the night, she's bound to have a change of clothes."

I brought Erika's bags from the living room into the sex room and examined the contents. Sorting past an outfit apparently meant for tomorrow, innerwear, undergarments, and cosmetics, I ended up unearthing something mind-boggling from the very bottom.

"Th—This is... adult toys?!"

Pulling them out to inspect, I found a pink bullet vibrator, a strap-on harness, and even a double-ended dildo. In addition, lube and condoms were present, hidden away at the deepest depth of her luggage.

"She intended to use all of this on Iroha, didn't she..."

It appeared Erika really was a lesbian. I could only conclude that she had come here today fully intending to establish that kind of relationship with Iroha.

"You thought you were going to score with Iroha, but... you're the one who's about to get scored on by me."

However, considering there was a double-ended dildo present, it was highly unlikely that Erika was a virgin. It was a bit saddening that I couldn't be her first man, but it couldn't be helped.

"For now, let's restrain her."

Grasping the limbs of the sleeping Erika, I fitted cuffs onto both of her wrists and ankles. From there, I connected them to the corresponding metal rings, rendering her unable to move. As for this restraint method, I had personally tested the strength of the gear beforehand. Since it was impossible to break even for me with my strength enhanced by magic, it was absolutely impossible for a woman to escape.

Next, I picked up a ball gag equipped with ventilation holes. Before deploying it, I gave her soft-looking lips a brief, light kiss, and then forced the ball gag into her mouth.

"Alright, preparations are complete. ...Now then, shall we finally wake her up?"

Sinking into a crouch beside the mattress, I invoked the awakening magic on Erika. I was looking forward to seeing what kind of reaction she would show upon waking.

"...Ngh, mmph... ...ngh, ...huh? Mmmph, ...nngh?!"

As I watched Erika, her eyelids slowly fluttered open. She seemed dazed at first, but she apparently realized something was wrong when she tried to move her arms instinctively and found them immobilized.

"Mmph?! Mmmph?! Nn-ngh! Ugh! Hih!"

Furthermore, upon realizing she was gagged, she shifted her head, which caused her to spot me. Her eyes widened to their limits in sheer shock. Finding her freedom stripped away without her knowledge, combined with a strange man sitting right beside her, she seemed to fall into a panic.

"Mmmph! Nn-ngh?! Mph?! Mmmph!" 

"Nice to meet you, Erika-chan." 

"Nn, mmph?!" 

"I'm Atsushi Saida. I am the Master of your close friend, Iroha Soejima." 

"Mph?! Mmmph-nngh!" 

"And so, Erika-chan, you have been offered up to me, her Master, by Iroha." 

"Nn-ngh?! Mmmph!"

Erika shook her head in utter disbelief, tears welling up in her eyes. At the same time, she desperately thrashed her limbs, repeating futile movements in an attempt to break free from the restraints.

"By the way, Iroha went out. Right now, this room is a world belonging to just the two of us." 

"Uugh..." 

"Now then, I think that's enough talking. It's about time..." 

"Mmmph?! Mph! Mmmph!"

Moving over to Erika's lower half as she began to struggle even more violently, I took my position. Her stance was already secured with her arms pinned upward in a W-shape and her legs spread in an M-shape. Placing my palms against both of Erika's knees, I used brute force to pry open her closed thighs and wedged my torso between them. Maintaining that position, I reached for the buttons of the blouse covering her front.

"Well then, let's get these clothes off you..." 

"Hih! Mph! Nngh!"

Erika tried to resist by writhing her body within her limited range of motion, but I ignored it and undid the buttons one by one. Once I finished unbuttoning everything and parted the front, a camisole bulging significantly from her massive breasts greeted my eyes.

"Ohhh... now this is a sight you can't see with Iroha." 

"Mmmph! Mmmph!" 

"In this state... it might be impossible to slide it off." 

"Hih?! Mph!"

With her arms restrained, I couldn't pull the camisole over her head. Fortunately, since there was a replacement in her luggage, I didn't hesitate to ruin it.

"So, I'm going to cut it with scissors. Don't thrash around." 

"Mmmph! Mph!" 

"Hey, if you move, my hand might slip and hurt you, okay?" 

"Ngh..."

Quieting down slightly at my words, Erika watched as I sliced the camisole open from bottom to top. Once I finished cutting all the way up, I set the scissors aside and parted the fabric to the left and right.

"This is..." 

"Nngh..."

Wrapped in a luxurious-looking bra, a pair of huge breasts creating a magnificent cleavage leaped into my view. Unable to resist, I cupped the mounds with both hands right over the bra, and at the same time, began casting aphrodisiac magic on her.

"Th—They're huge... Completely different from Iroha's..." 

"...Hih?! Mmmph! Nngh!" 

"Good grief... Alright, let me see your nipples."

Hooking my fingers into Erika's bra as she resumed her resistance, I shifted the cups upward. With a bounce that felt like it deserved its own sound effect, the tips of her twin mounds were exposed right before my eyes.

"...Mmmph?! Ih! Nngh! Mmmph!" 

"The areolas are quite large."

Squeezing her breasts from underneath with both hands, I traced the areolas with my index fingers in a circular motion. Then, pinching and rolling the prominent nipples, I continued to apply the aphrodisiac magic while enjoying the texture.

"The nipples are round and large, too. This makes me want to suck them." 

"Uugh..."

Whether out of pure embarrassment, Erika squeezed her eyes shut and averted her face as I savored the softness of her twin peaks to my heart's content. Satisfied with a plush texture I couldn't experience with Iroha, I decided to target her lower half next.

First, I hitched up her skirt, which reached down near her ankles, exposing her panties. As if mocking Erika's desperate efforts to squeeze her thighs together, I blocked them with my arms and brought my face close to her crotch.

"Come to think of it, you had a double-ended dildo, so you're not a virgin, right?" 

"Mph?! ...Mph! Nngh!" 

"It's a shame I don't get to take your first time."

I spoke to her while stimulating the center of her panties—which matched her bra—by rubbing my finger around in circles. After continuing this for a while, perhaps due to the effects of the aphrodisiac magic, love juices began to ooze out, forming a damp stain on the fabric.

"Looks like Erika-chan is finally getting into the mood, too." 

"...Hih!" 

"Look at how it strings out like this..."

Bringing my right hand directly in front of Erika's eyes, I flaunted the thread of love juice stretching between my thumb and index finger. Catching sight of it, she shook her head weakly, as if unable to believe it.

"Now, at last... it's time for your pussy." 

"Hing?! Mmmph! Mph!" 

"Come on, if you thrash around, you really will get hurt this time, you know?"

Holding down the thighs of the fiercely resisting Erika with both of my legs, I picked up the scissors once more. Exercising extreme caution so as not to scratch her skin, I inserted the blades near the wet crotch panel and cut a straight horizontal line. Sliding the now-unneeded scissors far away, I reached for the damp panties clinging to her skin. Pinching the upper and lower edges of the divided fabric with each hand, I slowly peeled the cut section wide open.

"...Finally, Erika-chan's pussy is revealed..." 

"Mph! Nngh! Mmmph!"

Rendering Erika's frantic resistance utterly pointless, the wet panties were turned back, exposing her female anatomy completely. It sat there oozing love juices, her labia minora slightly parted to showcase its inner colors to me.

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