'Favor'
Preface: The woman Jace refers to as "Ma" (Lily) is one Issa would refer to as 'gramma'. Yes, Issa's mom (Franchesca) and Jace are siblings. Also "Jace" is pronounced "Jay-cee."
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Up and down in a somewhat slow but steady rhythm. Those were the movements my hands made while they're neatly wrapped around Jace's penis. His appendage itself was solid, firm, and warm. Like, unexpectedly warm, probably warmer than my brightly blushing stupid mug at the moment. ​​​​​​
I dare not to look up at Jace himself, keeping my gaze glued to his dick and focusing on rubbing it until he ejaculates and it finally calms down. I remained seated on Jace's lap, which made for some easier stroking and but made avoiding looking at his face marginally harder.
I know not what he's thinking about, hopefully not about me in any sort of carnal, perverted manner or anything of the sort.
"H...How am I doing?" I hesitantly pipe up to break the silence. Jace takes a soft but deep breath as he leans back in his chair.
"Clearly, this is your first time." I halt my hand-job abruptly as he uttered those words with utmost nonchalance. His dick remained hard, throbbing and the like in my grip, but I can feel it ever so slowly go limp from the lack of stimulation.
So much for getting the chance to perhaps stroke my own ego while I stroke a guy's thing for the first time.
"S-So fuckin' what? That I'm not well-versed with things like this? I-It's not like I've had the chance to practice..."
"You give handjobs like you're afraid it's gonna bite you. My cock, I mean."
I look up towards Jace momentarily, taking a gander at his unamused expression mixed with some slight annoyance. Guilt sets in once more and I sheepishly went back to looking down on his dick.
"...You're here getting a favor and you still have the audacity to--"
Jace puts his grip on my wrists and made me go back to rubbing him, this time at a slightly faster pace. My grip on his cock tightened out of anxiety, from the belief that he's more annoyed now than actually horny, but I dutifully followed his guidance regardless.
"Whose idea was it again, hm? Whose idea was it, to sit on my lap..."
I see another dew of precum slowly rear its tiny head out of the tip of his glans. Is he enjoying this? The veins that line his shaft are pulsing harder than ever as well, like the veins of someone running a marathon.
"...make me rock-hard..."
Jace pulled me closer to himself by grabbing my lower back, almost squeezing the top area of my ass as he did so. This in turn made my crotch press down on the base of his cock. Given that my lower garments consisted of only a thin pair of dolphin shorts I imagine he could feel the moisture emanating from them, a naughty thought that just made the heat in my crotch grow.
"H-Haeh?? Oii--!"
"...And then force herself on me?"
My chin scrunched up as Jace's words slowly hit me. He's very much correct, I have no right or grounds to complain when this is all my fault to begin with. I sheepishly gave him a look of shame while swallowing the drying lump in my throat.
This and the fact that he's saying all of this so calmly with a tender, but at the same time intimidating voice really got to me for some reason.
"Mmhhm, that's what I thought."
"A-Alright already, just...lemme do my thing here..." I didn't realize my voice was trembling, him scolding me like this had me on the verge of tears from being caught so off guard. I only noticed when my vision became cloudy as tears welled up in the corner of my eyes.
What am I even doing anymore? Forcing myself on a new family member I had just met and then crying pathetically like a scared little girl upon being rightfully scolded. I need to get a hold of myself fast.
Just before I got to wipe my tears off with my forearm, Jace leaned in close to me with his hand on my wrist. Like, really up close enough that I could fell his warm breath on my cheek.
"J-Jace...?"
"Mm, seems like I might've went too far."
"T...Too far? Haah!"
All of a sudden, I feel Jace's lips start to caress my neck. Small, gentle, almost loving kisses compounded by him breathing on me while his hand held my shoulder tightly.
Normally, having my neck tickled would mean an instant reflex of my head and shoulder squeezing the area in question being tickled. Not this time, I just held Jace's head with one hand and let him make out with my neck while trying my best to hold in my whimpers.
My other hand just kept grasping his penis while I swear I could feel him leave a hickey or two on my tender skin, if his lips popping were anything to go by.
"M-Mmh...mmghmm! J-Jace...aghha..."
"Keep stroking me."
I do exactly as he says, continuing to give him a weak handjob while he keeps himself busy with my neck, even adding his tongue every now and then just for some added stimulation, the kind that makes my knees weak and unable to fully keep my voice down. The way he does it to me makes me think he's done this before as well.
"Haehhh...J-Jace, wait...hngghmm​..."
He pulls back from me soon enough, a faint string of saliva connecting the area on my throat he had just assaulted to his smiling lips. That smile, that damned smile, after what he had just done to me. It was arousing as fuck, placed a kind of heat in my crotch that I've never felt before, but it also kind of pissed me off for some reason.