Yes, reluctantly

"I suppose you're right dear," Mom pouted, "Let's get going."

We arrived at the crash site just before dusk. The charred wreckage of our small Cessna biplane had stopped burning many days ago. The fuselage had broken into several pieces that were strewn haphazardly around a small clearing. It was a miracle that Mom and I were able to survive the crash.

After a few minutes of searching the clearing for anything we could salvage, Mom called me over to her.

"Check this out!"

She handed me a cream colored garment that looked sort of like a bra, but with an excessive amount of padding.

"I think it's a life jacket?" Mom guessed, taking it back from me and handing me a safety card instead.

"Maybe it could help us if we build a raft!" she suggested excitedly.

The safety card showed a woman fastening the garment underneath her shirt, inflating it via a tube, and then later tugging a ripcord. The last panel of the instructions was burned and unreadable.

"It says here it's meant to go under your shirt Mom," I informed her.

"Ah," Mom turned around and unbuttoned her top, holding the strange bra-jacket between her thighs.

I quickly turned away to avert my gaze, but couldn't resist sneaking a peek as Mom disrobed. The soft skin of Mom's shoulders and upper back was exposed as she let her top fall around her waist. When she reached behind herself to fasten the bra's clasps, I was treated to some fantastic side boob. Were her breasts really big enough to see from behind? I didn't remember that being true! My cock throbbed with approval against my shorts. With her top re-buttoned, Mom turned around again.

"There, what do you think?" she asked.

Mom posed playfully with hands on hips, throwing her head back and tilting her hips like a fashion model. With the lifejacket underneath her shirt, Mom looked even more top-heavy than usual.

"Uh - great Mom," I said, trying my best to sound disinterested.

Not fooled by my poker face, Mom locked eyes with me and sauntered coyly towards me. She strutted like she was on a red carpet, crossing her feet one in front and rocking her wide hips sultrily.

"Here, now you have to help me blow it up," she stated, pointing at the second step on the safety card.

"It says you can do that yourself," I protested.

"You know I get lightheaded easily," Mom pouted, "please honey?"

"Fine," I grumbled.

I stepped closer and took the intake valve from Mom. It was only long enough to reach the wearer's mouth. I was **** to lean in and get awkwardly close to my mother's unexpectedly ample bust. I closed my eyes to maintain some kind of decorum. Placing my lips around the opening and taking a deep breath, I began to inflate the device.

After about 10 strong blowing breaths, I cracked an eyelid to check on our progress. I nearly jumped out of my skin when my mom's chest was much closer to my face, even though the intake tube was at full extension. Had she adjusted her stance or something? Hiding my internal panic, I resumed blowing into the device.

I almost fainted when instead of the jacket inflating, my Mom's tits actually swelled as I breathed into the tube.

"Mom what- ?! huh?" I was at a complete loss for words.

"Shhh, just go with it honey," Mom shushed me and placed the intake valve back into my mouth.

"Just keep blowing into mommy's chest," she commanded softly.

I stared with wide eyes as my Mom's coconut sized breasts inflated steadily larger as I blew into the lifejacket.

"Mmm, that's it.. that feels good." She cooed.

As I became more comfortable with the unreal situation unfolding before me, my crotch tightened. My erection felt like it would explode out of my pants. Only in my wildest dreams would something like this be possible, and yet I was witnessing it right now. If this was some kind of lucid dream, fuck it.. I wanted to see how far I could push it. I wondered how big Mom could get.

By watching her swelling melons advance steadily towards my face, I estimated in about another 10 breaths there would be no more room between my face and her tits. Would there be some kind of resistance before then? I quickened my pace, breathing more rapidly into the device.

Only one way to find out, I mused.