"Consider this, our master enjoyed our gifted glutes, it will be no surprise should he enjoy what they produced." Zuexi spoke, her words had this wisen philosophical tone, that instead of wisdom spell doomed for you.
Unfortunately you were too stuck between the twins asses, and now had to endure the stench of them ripping their gassess at your body. Each of their nasty gas, with an ear-splitting bombing noises that could break a common man's spirit, had the smell of torture. Death seems to easy for you, with such a smell of rotting flesh and unnatural stomach acid, you could only choke, cough or even begging via screaming and pounding their assess to let you go.
You wanted this nightmare to end, you don't want to smell their terrible, terrible gas after being smothered by their bums.
Unfortunately, your tiny body was too small for neither of the twins to hear you.
In fact, your struggling has pleased the sisters so much, they assume your worming around, begging for fresh air was a sign to continue the deadly fart chamber.
And continued they did, as you kept on and on being blasted both side up and down constantly by farts. Big farts, little farts, poots and prftttrt, sometimes wet farts and booming farts.
By the time the girls had finished, your tiny body was unable to handle such pressured such air. You were knocked unconcious.