Chapter 1763
It turned out to be Kevin!
Just now, he had been hiding under the blanket, lying under Grace, although he didn't see what he was doing, he could tell from his mother's ecstatic expression what Kevin had done to her body.
Seeing Grace and Kevin being intimate, Andy felt a bitter mix of pain, envy, and helplessness. Although his mother had always been very indulgent towards him, ever since he entered junior high, their physical contact had become less and less frequent. Rarely did they hug and kiss like they used to, let alone let Kevin have his way with her body like now.
In the bedroom, Kevin was holding Grace's plump and firm thigh, licking his way down from her toes, instep, ankle, calf, thigh, and finally arriving at the base of her thigh. He extended his tongue to tease the rosy mons pubis, then delved into the vaginal opening, sucking, biting, and licking. Grace's lace panties had disappeared, leaving her entire pubic area bare, with her smooth buttocks exposed.
"Mmm, Kevin, stop licking and come in," Grace trembled all over, breathing heavily, her vaginal discharge flowing as her desire surged.
Kevin lifted his head from between her legs, licked the vaginal discharge at the corner of his mouth, and chuckled, "Grace, you said no earlier, why do you want it now? Do you want it or not? I still have to tutor Andy."
"Quit the nonsense, who asked you to wake me up," Grace scolded, "You just exhausted me this morning, and now you're back again. Always thinking about making love, I don't know how you manage to excel academically."
What? Andy was stunned, his expression somewhat blank. Kevin and his mother had already done it in the morning. Could it be that they did it while he was asleep?
Thinking of his glamorous and sexy mother being ravished by Kevin's big cock right next to him, Andy felt frustrated but involuntarily excited. He fantasized about being Kevin, holding Grace's buttocks and moving with her, the only way to ease his mind.
Kevin straightened up, kneeling between Grace's legs, his thick and long dick standing tall below his abdomen, veins bulging. Though not as exaggerated as described in novels, it was much thicker than Andy's slender little cock. Andy felt disheartened - he couldn't match Kevin in girth or length, how could he ever satisfy his mother?
"Grace, experts say a high-quality sex life can effectively improve an athlete's performance. With my grades being so good, you deserve the credit," Kevin boasted, swinging his big penis proudly.
"You're just talking nonsense," Grace rolled her eyes at Kevin, spreading her legs and urging, "Hurry up, it'll be trouble if Andy hears."
"If he hears, he hears," Kevin slowly leaned down, his cock approaching Grace's already wet mons pubis, "After all, he's not a stranger. Facing a seductive mother like you every day, how could he focus on studying? Maybe he's been eyeing you too."
"Nonsense, not everyone is as bad as you, preying even on your godmother," Grace snorted, feeling somewhat helpless. Perhaps her son Andy's poor grades were indeed influenced by her. "Besides, I'm his real mom."
"So what?" Kevin pressed his glans against Grace's vaginal opening, rubbing up and down, a stimulating idea suddenly popping into his head. He grinned mischievously, "Why don't you pretend I'm Andy now and see how it feels to be fucked by your son?"
"You little rascal, you're so naughty," Grace blushed at Kevin's words, her vagina involuntarily twitching a few times. She gasped, "Insisting on playing this perverted game."
Meanwhile, Andy was extremely excited, stroking his cock with his hand, his eyes fixed on Kevin, as if he were really about to engage in incest with his mother.
"Are we doing this? My mom, or else I should go do my homework," Kevin continued to tease Grace, his glans teasing her vaginal opening but refusing to penetrate.
"Ah, you little troublemaker, do as you please," Grace sighed at Kevin, her vagina already itching uncontrollably, eagerly waiting for Kevin's penis to enter. Though it felt embarrassing to have Kevin play the role of her son Andy, it was just a game of passion after all, not actual incest. The atmosphere of mother-son incest indeed heightened her excitement, so she silently agreed to Kevin's proposal.
"Mom, I'm coming in now," Kevin exerted force with his waist, the round glans slowly pushing open Grace's slippery and thick labia, sliding deep into her tight vaginal opening.
"Ah! Come in," Grace leaned back on the bed with her hands, closing her eyes and tilting her head as if she was being penetrated by her son Andy's dick. Her vagina instinctively tightened, feeling a wave of shame and guilt. Did she subconsciously desire incest with her son, why else would her body be so aroused?
Andy, at the door, was trembling all over, his throat dry, his eyes fixed on where Kevin and his mother were joined, rapidly stroking his cock with his hand.
At that moment, he had completely transformed Kevin into his alter ego, as if he could feel Grace's wet, tight vagina enveloping his cock, his mind blank, his glans tingling, and thick semen shooting out of his urethral meatus, directly onto the white painted door in front of him, trickling down.
Andy quickly ran to the table to grab some tissue to clean the semen off the door, continuing to peek at his mother and Kevin's union, feeling extremely conflicted.
As a son, witnessing his mother being violated by another man should have made him angry and pained, but from this voyeurism, he derived an indescribable sense of satisfaction. He could only numb himself - Kevin was his mother's godson, so making love to her was akin to making love to himself.
Kevin thrust his cock deep into Grace's vagina, feeling the warm, soft folds of her vaginal walls squeezing and pressing against his cock. His glans got stuck at a small opening ahead, the woman's cervix. Instead of pushing forward, he slowly rotated his penis, using the glans to rub against the soft flesh of the cervix, grinning, "Mom, is my cock big enough? Does it feel good?"
"You little troublemaker, are you done yet? Stop the chatter and get on with it," Grace felt her vagina being filled to the brim by Kevin's thick, long dick, the extreme fullness making her unable to resist a soft moan. The hot glans touching her sensitive cervix felt like a massage wand, each thrust causing a strong dizziness.
"Hehe, Mom, your vagina is so tight and comfortable, squeezing me so nicely," Kevin seemed to thoroughly enjoy playing the role of Andy, envisioning Andy's short, frail body struggling on Grace's fit and strong physique, his cock growing even harder with excitement.
His waist moved rapidly, driving his cock deep into the depths of her vagina. The layers of vaginal walls tightly wrapped around his cock, like vines climbing and entwining on towering trees in a primeval forest. The glans rubbing against the vaginal walls sent intense pleasure, soon triggering the urge to ejaculate. Kevin inserted his glans into the cervix, gently circling and rubbing it. Making love was like walking a tightrope, enjoying the thrill of being on the edge of climax.
Many people try various methods to prolong ejaculation time by reducing the sensitivity of the glans. While it does increase the duration of sex, it can turn the enjoyable act of lovemaking into a mechanical thrusting devoid of sensation. The faster the thrusting, the stronger the pleasure, but it also leads to quick ejaculation.
This requires some experience to predict the timing of ejaculation, maintaining a suitable rhythm that allows both partners to fully enjoy the act without losing control of ejaculation.
Typically, couples, after some adjustment, can find a rhythm that satisfies both parties, maintaining a stable quality of sex. However, over time, this routine can become monotonous, turning intimacy into a routine, losing the excitement and freshness, leading some to seek extramarital affairs.
Kevin had observed the sex patterns of several women with whom he had a high frequency of sex, namely Audrey, Alissa, and Grace. Each woman had their sex patterns.
For example, Audrey was slow to warm up, requiring ample foreplay to arouse her emotions, not jumping straight into sex. Alissa was reserved on the surface, needing Kevin to take the initiative to tease her initially, but once Alissa got into it, she transformed into a passionate and proactive partner. Grace was straightforward, if she wanted it, she went for it, with no hidden agendas.
Moreover, different women's vaginas can affect the duration and manner of ejaculation. For instance, the first time Kevin had sex with Audrey, he ejaculated almost immediately after penetration, a memory that embarrassed him the most. With more encounters, the duration gradually extended to over three minutes.
Kevin also discovered something interesting - maintaining a lower thrusting frequency would prevent ejaculation, only reaching the threshold when the frequency hit a critical value. This frequency varied with different women, with Audrey requiring a slightly higher frequency to ejaculate quickly, while Alissa might need a much higher frequency.
However, most men don't have the opportunity to compare the thrusting frequencies with different women. Even those who frequent adult establishments don't usually spend time studying the varying levels of attraction their cock has with different women's vaginas.
Kevin, due to his pursuit of the Harmony County Cup World Rankings, paid special attention to these values, even giving this thrusting frequency a grand name - the Minimum Ejaculation Speed, abbreviated as MES, which refers to the minimum thrusting speed required to reach the ejaculation threshold after penetration.
The smaller the MES value, the easier it is for a woman's vagina to trigger ejaculation in a man.
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