Kushina purred, "Naruto, you're going to enjoy mommy's ass baby..." She winked at him, "You'll love being mommy's seat cushion sweetie! Your father certainly enjoyed it!" Kushina said giggling.
Kushina stood up smiling lovingly at her son, before turning around giving him a personal view of her huge, fat ass, it created a giant shadow over the short tied up Naruto looming over him like a predator. Kushina shook her ass, some making her boulder sized cheeks jiggle and collide together. Her ass was to her, her absolute best feature large enough to crush a whole couch flat.
Naruto felt a nosebleed forming as he drooled looking at his mother's giant sexy ass. He was speechless just gazing as if hypnotized by it. He couldn't resist the feelings his mother was invoking within himself much longer. He must submit to her!
Kushina looked over her shoulder at her son and her smile grew wider, "You like mommy's ass don't you sweetie? Would you like for mommy to sit on you?" She purred sultrily. The obese red-haired beauty shook her huge ass again, her smile widening more as her son's eyes followed it's jiggling movement. Kushina cooed, "Do you want to be mommy's seat cushion baby?"
Naruto's mind went blank and when he opened his mouth he exclaimed, "Yes mom please sit on me! I want to be your cushion!"
Kushina gushed, "Such a good boy! I knew I raised you well sweetie! Dattebane!" She then lowered her massive ass down onto her son's face completely smothering him under her. His head was wedged right up her crack. Her ass completely hid Naruto and was completely on the bed as if nothing was impeding it.
"Mmmmmm...oh sweetie, you feel so good squished under mommy's ass!" Kushina purred in pleasure, "That's right sweetie, now you're mommy's little seat cushion!" She wiggled her giant fat ass feeling her son's small movements.
Kushina then began to bounce, squashing her son even more under her weight. She screamed in pleasure, "Oh yes! How's this Naruto! How do you like this!"
Suddenly Kushina stopped and rubbed her belly as it give out an ominous rumble. It seems her spicy ramen lunch was giving her some very nasty gas.
"Oh boy, Naruto brace yourself sweetie! Mommy's got some 'air' to give you!" Kushina cooed to her son giggling. She then gave out a soft grunt and ripped a loud smelly fart right in her son's face,
PPPPPPPPPPPPPPPPPPPPPPPPPPBBBBBBBBBBBBTTTTTTTTTTTTTTTT! The huge fart filled the room with it's toxic stench and caused her ass to jiggle just from the release. Naruto coughed or at least tried to but his head was squished deep within his mother's crack so he was unable to make a noise.
"Ahhhh..." Kushina sighed in relief, "That felt sooo good!" She giggled as she felt her son's struggles under her huge fat ass. "Sweetie, that tickles!"
"How does it smell down there sweetie? Smell good?" Kushina asked. She giggled again when she didn't hear a response, her darling son must be still enjoying the first fart. suddenly her belly rumbled louder than earlier.
Kushina blushed. "Oh sweetie! Mommy's got more gas for you!" An even bigger fart was coming. Naruto heard this louder rumble and struggled harder, but with his hands tied up there was no way to cover his nose or to get out from under his mother's huge, fat ass.
Kushina moaned rubbing her belly, "Oh god Naruto! Here comes another one, this one is much bigger, Try to ride it out sweetie!" She strained to release this huge even louder fart, PRRRRRRRRRRRRRRRMMMMMMMMMMMPPPPPPPPPPHHHHHHHHHHHHH! it shook the whole room. If Naruto's mouth was free he would scream with how bad this fart was, it practically smelled like shit.
Kushina blushed from the loud volume of her own fart, but sighed in relief. her giggling resumed, "Excuse me, I guess those 90 bowls of Ichiraku's extra spicy ramen I had for lunch today really didn't agree with my poor stomach!"
She felt her son struggling and another bout of giggling started, "I know you love ramen as much as I do sweetie! I have all this gas because I ate spicy ramen! This is the whole life of ramen!"
Kushina then without warning released another huge fart that sound wet at the end. BRRRRRRRRRRRRAAAFFFFFFFFPPPPPPPPLLLLLLLLLLLLMMMPTTTTTTTT! It knocked some shit loose in her ass and sprayed a little shit mist into her son's face, the end of that fart was a shart.
"Oh dear sweetie, it seems mommy might need to use the bathroom!" Kushina said blushing, "You wouldn't want mommy to have an accident would you Naruto? So I'll just relieve myself on you!"
When Naruto didn't answer due to being dazed by his mother's foul gases. She assumed his silence was the a-okay.
Kushina squealed, in delight, "Such a good son! I raised you well sweetie! I love you so much! !" She stood up with her son now embedded deep within her crack and waddled towards the bathroom.
When she got there the toilet was of course far too small for her massive ass. Kushina pouted, "Aw...Naruto the toilet's much too tiny for mommy and it would be so uncomfortable and cold!"
Kushina looked around and her eyes lit up seeing the bathtub, "Ah perfect! The bathtub will do nicely!"
Kushina then waddled to the bathtub and squatted down with her huge ass over it soon 'crapping' her son out of her ass and Naruto landed in the tub with a thud.
Naruto weakly opened his eyes to see his mother's giant ass hovering above him.
Kushina smiled over her shoulder at her son, "I hope you're ready sweetie! Mommy has a huge load for you!" She spread her huge cheeks revealing her asshole and it started to gape open.