With each thrust, the discomfort in her throat increased, until she felt pain when his huge and thick glans gouged her uvula and forced her mouth to expand backwards into her upper throat. Her tonsils were pushed flat against the sides of her throat, and her tongue was now permanently stuck to the bottom of her mouth, to avoid bumping into his burning hot phallus as it came charging in like an angry bull.
Her mouth is now a deep and wet meat-hole, and his cock was like a piston, pumping in and out with speed and force. Tiny droplets of saliva and pre-cum burst out of her mouth with each pump and withdrawal, and more slowly flowed out the sides and bottom of her mouth. Her lips were covered in bubbly froth, and dribbles of thick saliva flowed down her mouth down to her face and jaws.
On and on Jongin pounded, his aim and movement getting more and more accurate as he placed his hands over the backrest of the couch for better support and she learned to hold her head steady in this position. He now pushed his cock in an exact angle where he could penetrate deep and pull out with minimal resistance. He could feel her mouth and upper throat expand to accommodate his massive tip, and with each thrust, he pushed in that little bit more. His 'mushroom' slowly gain ground, little by little, intruding deeper and deeper with each frenzied push.
And as he went in deeper, his swinging balls got close enough to knock and bounce on her chin, and it added another soft slapping sound to the symphony of bubbling frothy sounds from her saliva flowing out from the side of her mouth, and wet slick sounds of his cock sliding in and out, and squeaky sound of the couch rocking from their rapid movements.
"Uhhh.. ahhh..."
"Mmmm.. hnnnnn..."
And all this was punctuated by his grunts and her occasional soft whine and groans of discomfort.
A symphony of lust and pleasure and corrupted innocence.
- - -
Soon, Jongin has 5 inches inside at maximum depth, and this was more than what Seohyun had taken in before. Her throat and mouth was now sore and painful, her breathing is shallow, and she gripped her little fists tightly to keep her hands from instinctively pushing him away.
Her instincts are screaming at her to stop the source of this pain and intrusion; an invader that is slowly suffocating her.
But she held on stubbornly, determined to accept this 'training', no matter how tough and painful it is. Her lungs expanded and her whole body heaved when she breathed, as she resisted the desire to cough and gag and expel his meat from her abused orifice. Tears flowed out of her eyes and her nose as well, as Jongin carried on his merciless pounding rape of her mouth.
Her tongue is burning from the friction of his pumping cock sliding in and out, despite the liquids lubricating her entire mouth. Even her neck is cramping from staying in this position for too long.
"Just hold on, Jongin Oppa must be feeling great, and is probably close to his release. I must hold on until he finds it. Come on Seohyun, you can do this, for Jongin Oppa!"
- - -
Jongin paid as much attention to her as he could , though the pleasure was nearly overwhelming his senses and control. But he managed to keep from going out of control, albeit with much effort. His purpose is to push in to 5 inches and expand her throat more. He knows if left to her own, she will take much longer to practise before she can swallow more cock meat, as her body would instinctively stop when she feels pain.
By doing this, he can force her to swallow more and override her body's instinct to avoid pain. He saw her pained expressions and her clenched fists, but he also saw her determination and the fire in her eyes.
"Lets do it!"
- - -
Suddenly, he withdrew his cock to the edge of her lips, stopping the pounding. This meant Seohyun was suddenly able to breathe properly as well, as the object pushing into her airway was gone. She gasped and had her sore and painful mouth and throat take a much needed break from his invasion.
But he only allowed her half a minute break only, before he nudged his cock against her tender lips. Seohyun fluttered her eyelashes in understanding, and took a deep breathe and slowly opened her mouth as wide as she can to accommodate the returning cock, knowing that it will not fit inside properly and will cause her more discomfort.