But then Ainz knew what he had to do, the perfect answer were his Incubus Skills.
As he used the Knowledge from being an Incubus, he started to slowly rotate his fingers while pressing into the walls of her after with his finger tips.
Massaging all the muscles around there, so they could loosen up Ainz went deeper and deeper with his fingers.
"Aghh, Jin-Woo, not there, thats the wrong hole!" Jin-Ah pleaded.
But Ainz was a little unnerved by being called 'Jin-Woo', although he took over that guys body.
Ainz gave it his all in widening her hole, as he put in a second finger and went on.
Soon after he even had his Index, Middle and Ring Finger inside her.
Ainz compared the size of the tip of his dick with the three fingers now insider her and quickly came to the conclusion, that if she loosened up a bit more to accept the three fingers more easily he could start putting his tip on.
A few minutes later, Ainz being completely focused on her pink sphincter didn't even realize that his whole body was stained in Jin-Ah's fluids and her whole upper body was filled with his cum, as he shot at her for 3 turns without actively doing anything.
Ainz was in a weird mood, as his body and mind wanted to have this illicit relationship with his blood relative and at the same time he just wanted to wreck her body and let it sink to the depths of pleasure hell.
Being as cloudy minded as he was, he just with one simple movement pushed her forward and him back and upwards, he saw her laying on top of her belly in a prone bone.
Ainz saw her legs tightly shut and she was shuddering, unknown if in anticipation or fear.
Splitting her cramped legs like Moses did to the sea, he hot-dogged his dick between her butt cheeks and pleasured himself using her as an assjob tool.
As Ainz' dick was deeply buried in her crack, he thrusted for and backward, sliding his entire length through it and over her asshole rubbing it ever so slightly.
Her lovely moans as he kissed her back and neck made him more and more passionate.
Finally not being able to hold back anymore Ainz shot his load on her back.
Spreading her cheeks with his hands, he saw her loosened butthole yet again and gave it a quick lick to make it slick.
Slowly pushing in his tip, he felt her completely tense up at this unfamiliar feeling.
"Oi, Jin-Ah, relax or you will castrate me, fuck!." Ainz said.
Jin-Ah was embarassed by his more and her tension tightened her up even more.
It was then that Ainz knew, he won't come through here slowly.
'Fuck it, even if it rips, I'll go in in one fell swoop, I'll just heal it later.' Ainz thought by himself.
Taking in a deep breath and spitting once more on his dick to make sure it was slippery enough he rammed it in in one quick thrust.
He could see Jin-Ah's head go up her gaze towards the ceiling.
Yet he heard no cry.
The pain was probably so big, that she simply couldn't even let out the tiniest bit of sound except for an extreme gasp.
Ainz stayed where he was for about quite literally 1 second, he pulled back and felt Jkn-Ah's body convulsing under him.
She was orgasming.
"What a lewd girl you are Jin-Ah, cumming from your first sexual experience, escpecially from your ass as your first. How cute!" Ainz said in a teasing tone.
"N-no brother, I'm not feeling it, it's the wrong hole, it is wrong to do it there." Jin-Ah stammered panickedly.
"I see, you are as innocent as a child, Jin-Ah, a woman can feel pleasure from her ass equal or sometimes even better than from her pussy. I'll just have to make you into a perfect cum dumpster for me." Ainz personality once again kinda distorted as weird sexual preferences came up again.
He took a bundle of her hair and pulled her head back completely, Jin-Ah screamed in pain, but there was a subtle moan hidden in between.
'Oh she might be a hidden masochist. This will be fun hehe.' Ainz thought.
Pulling her hair so hard that she was facing him with her face upside down and her back arched like a bow.
Ainz used the weird position to fuck her ass as hard as he could while stuffing the fingers of his other hand into her mouth.
"Lick my fingers. I may go slower if I see your enthusiasm." Ainz commanded and opened a path for her at the same time.
While feeling pain and pleasure beyond her wildest imaginations Jin-Ah was so clouded that she sucked on his fingers as if it was his dick, licking around the base of his fingers and going up to the finger tip.
But then she had a realization, he just said if she would do it good, he would go slower.
Her twisted mind gave her the answer, that she should do bad, so he would punish her even more, inflict more pain and pleasure to her.
Ainz having realized her intentions let go of her hair but quickly caught her throat, while her back was still arched and choked her from behind.
Still hammering on and on Ainz slowly felt something building up and soon realized that he might cum if he goes on with pounding as violently as he does right now.
Not cumming through sheer will and holding back a monstrous load Ainz pulled out his dick.
He immediately saw the loss in the eyes of Jin-Ah but he had something planned.
He almost folded her in a 180 degree angle and rammed his dick into her mouth so she could taste her own ass.
Jin-Ah felt thoroughly humiliated by this ass to mouth action, but felt weirdly thrilled.
"Well here it comes you whore, suck it as hard as you can and make sure not to spill a drop!" Ainz commanded.
One hard last push deep in her throat as Ainz cummed inside her and shot a protein shake right into her stomach.
What Ainz didn't know was that a furiously blushing Jo-Hee was standing guard in front of the door.
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Well, hehe thats it for today, love y'all <3