Help Me Step Bro! I'm STUCK!

Pov you are my horny step brother and i'm your hot n gassy step sister. i am making my bed and accidentally get my hand stuck under the mattress. i call out for your help but you just come into my room and start grabbing my ass and trying to smell it!! i start farting to hopefully scare you away from messing with me and smelling my ass! its not working so i try farting even more...its still not working wtf! i start wondering if my panties are holding back the smell and if i take them off maybe the stench will finally hit you. that doesn't even work! i start to realize you might actually be getting turned on by my farts so i decide to strike up a deal with you. if you help me get my hand free i promise to give you all of the rest of my farts right in your face and mouth...you accept and become my fart slave so i can pay you back for helping me get unstuck!