Chapter 1764

Grace's vagina was deep and tight, providing Kevin with intense stimulation second only to Audrey. The minimum shooting speed was probably around 75-100 per minute, but this figure was influenced by many factors such as the sex environment, sex positions, the level of foreplay, and the warmth and humidity of the vagina.

"Ah, Kevin, faster, please, faster!" Grace's long, slender legs tensed as her thick labia were continuously flipped by Kevin's penis. Vaginal discharge oozed from their union, and her buttocks were reddened by the impact of his pelvis.

Kevin was trying his best to find the closest frequency to the minimum shooting speed, but under Grace's urging, he had to speed up his thrusts time and time again.

If the minimum shooting speed was a fluctuating red line, Kevin's thrusting speed now was like a winding arrow, almost reaching that line.

After all, sex between a man and a woman required mutual cooperation. It was not only about one's comfort but also about satisfying Grace.

Half a year ago, Kevin might have been pushed into a vigorous thrusting frenzy by now, breaking the minimum shooting speed. But now, with his rich experience in sex, he knew how to handle the situation. Unless facing sex masters like Natalie and Vanessa, he felt confident in satisfying other women.

To avoid premature ejaculation, he varied the rhythm of his thrusts. He would quickly thrust into the cervix a dozen times, then slow down for a few thrusts as a transition to prevent pleasure from building up too quickly. While slowing down, he would increase the intensity, pulling his cock out to the vaginal opening and then thrusting it back deep into the vagina. By adjusting the rhythm continuously, he provided powerful stimulation to Grace, avoiding numbness and monotony brought by simple repetition. Sex was indeed a profound art, and Kevin could only say he had just shed his novice status.

"Ah, Kevin, I can't take it anymore!" Under Kevin's thrusts, Grace quickly reached orgasm. She felt her vagina being filled and then empty, waves of extreme pleasure crashing through her body. Her abdominal muscles contracted continuously, and vaginal discharge rapidly secreting inside her uterus. Her long, round thighs were firmly held on Kevin's shoulders, her vaginal opening fully exposed, repeatedly struck by his thick dick. Her plump buttocks were flushed red, her lips wide open, quickly reaching orgasm under the intense stimulation.

"Ah, Kevin! I'm dying! Oh, no more!"

Hearing Grace's heart-wrenching cries from the bedroom, Andy bit his lip tightly. Kevin was indeed strong to bring his mother to this point. He had eavesdropped on his parents' sex a few times, and his mother had never been this wild and crazy, just moaning a few times at most. It was nothing like what was happening now.

If it were him, could he bring Grace to such a heavenly state?

On the bed, Kevin maintained a rhythm of 60-80 thrusts per minute, occasionally crossing the ejaculation red line to experience the dizzying sensation of semen rushing towards the urethral meatus. After repeating this a few times, he no longer wanted to restrain himself. He twisted his waist, adjusted his position, and exerted all his strength. His waist moved rapidly, almost instantly increasing the thrusting frequency to 120 times per minute, far exceeding the minimum shooting speed.

The bedroom was filled with the sound of flesh colliding. Grace was continuously moaning under Kevin's suddenly accelerated fierce thrusts, her tall and muscular naked body completely dominated by lust. Her pupils lost focus, her lips wide open, as if Kevin's rapid thrusts were about to shatter her.

Soon, Kevin felt a tingling sensation in his glans as semen gushed out through the urethral meatus. He quickly inserted his long penis deep into Grace's vagina, pressing his glans against her cervix. His testicles muscles kept contracting, shooting the accumulated semen into Grace's uterus through the urethral meatus.

"Ah, I'm coming!" Stimulated by Kevin's semen, Grace was sent to another orgasm. Vaginal discharge surged inside her uterus, even her abdomen swelling up. Her plump buttocks lifted, her long legs tightly wrapped around Kevin's waist, her vagina contracting tightly around his dick, trying to extract all of Kevin's semen.

Outside the door, Andy was shocked, feeling his throat dry. Watching Grace and Kevin's intense intercourse, his cock was once again erect, never imagining his usually strict and dignified mother could become so seductive and lascivious, like a horny female dog being crazily inseminated by a man. 

At that moment, any trace of resentment Andy felt towards Kevin vanished, replaced by a hint of gratitude. Without Kevin, he might never have seen Grace's hidden side, or even experienced Kevin's pleasure, feeling the thrill of thrusting his cock fiercely into his mother's enticing vagina, making her body tremble with pleasure.

Kevin, panting, withdrew his penis from Grace's vagina, semen still oozing from his glans' urethral meatus, dripping onto Grace's pubic hair. Her labia had become swollen from the intense friction, and the bedsheets beneath them were already soaked.

Grace's body was still gently trembling, her long legs weakly curled up, her hair disheveled, her eyes looking dazed, her face flushed, seemingly not fully recovered from the orgasm.

Admiring Grace's naked body after her orgasm, Kevin suddenly felt his legs weak. The rapid thrusting had almost exhausted his strength. He lay exhausted beside Grace, reaching out to caress her breasts, smiling mischievously. "Grace, it seems like you squirted two or three times just now. Isn't it exciting to be fucked by your son?"

"You little rascal, always messing around," Grace blushed, feeling a twinge of guilt and a sense of wrongdoing towards Andy. "No more of this in the future."

"Why not?" Kevin turned to her, one leg resting on Grace's, his cock rubbing against her smooth, full buttocks. "It's not like it's real."

"That's not the point," Grace frowned, speaking earnestly. "Kevin, what we're doing is not right. We can't just focus on our pleasure. Is having sex with me just for the thrill?"

Kevin was momentarily speechless, unsure how to respond. Apart from Audrey, his relationships with Alissa, Grace, Vanessa, Daisy, and Evelyn were mostly based on physical attraction. There was some emotion involved, but not as deep as with Audrey. Last semester, being with Audrey made him happy even without sex. Just holding hands and kissing satisfied him, and occasional masturbation was a pleasant surprise. But with other women, if they didn't have sex, he felt less motivated.

With Audrey, he had genuine feelings and even considered breaking up Audrey and Jason. But with the other women, he never thought about the future.

"Grace, I'm sorry," Kevin said, feeling ashamed. "I was wrong."

"It's okay, you don't need to apologize," Grace, seeing Kevin admit his mistake, felt she might have been too harsh. Kevin was just a kid after all, not as mature in his thinking. It was normal to seek excitement, and she had used that to seduce him.

If blame were to be assigned, Kevin was just an underage victim deceived by her.

She wrapped her arm around Kevin's neck, kissed his cheek softly, and said, "I'm not blaming you. Whatever you want to do, I'll try to satisfy you. But Andy is my son. We can do whatever we want, but let's try not to involve him, okay?"

"Yeah, Grace, I understand," Kevin nodded. He had indeed overlooked Grace's feelings. Everyone had their taboos and vulnerabilities. Just because he was okay with something didn't mean others were. If Grace had wanted to role-play as his mother, Bethany, he probably wouldn't have accepted it either.

Outside the door, Andy was getting anxious, wishing he could rush in and tell his mother that he didn't mind being involved. At least then he would have some sense of participation.

Kevin and Grace whispered to each other as Grace checked the time and realized it was almost eleven. She pushed Kevin away and said, "Alright, go check on Andy. I'll take a shower and then make dinner for both of you."

"What's for dinner?" Kevin reluctantly sat up, eyeing Grace's heavy breasts, unable to resist cupping them and giving them a playful shake. "I'm starting to get hungry."

"Okay, fried chicken. Andy loves it," Grace said, putting on a nightgown and tidying her messy hair. She wiped the semen off her genitals with a tissue, frowning at the disheveled bedsheets. "It's all because of you. You just had to be so rough. Now I have to wash the bedsheets I just changed."

"Grace, then let's book a hotel room next time," Kevin had decided to ask Natalie for a room, which was safer and more convenient than at home.

"Hotel rooms are expensive. Do you have money to spare?" Grace rolled her eyes at Kevin. "Audrey is even worried about not having enough money for the down payment."

Kevin was taken aback. Audrey had never mentioned this to him. It made sense; last time Jason came back looking for money everywhere, he must have emptied Audrey's pockets. Kevin even lent him money. Audrey probably didn't have the money for the down payment.

He quickly went outside, called his mother, Bethany, and explained the situation. Bethany immediately said, "Okay, I'll call Audrey later to ask how much money she needs."

My Busty and Alluring Teacher
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