I've been helping my obese sister wipe her ass for 7 years now and she has no idea it turns me on

i've been helping my obese sister wipe her ass for 7 years now and she has no idea it turns me on.
AMA

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Why did you chose to write this lame ass LARP?

if you're so sure it's a rp then why did you reply to it? also just so you know "LARP" stands for "live action role play" which would imply acting out scenarios in person with costumes, like a renaissance fair. in an online forum it would just be called role play, or rp.

Don't be pedantic you knew what he meant

How did this start?
What's her age/height/weight?

help her wipe her ass? how fucking fat is she

He has a point.
Been here a long time, gotta give it to him

Now, op, What part of it turns you on? Are you just helpless and thats the closest you get to poon or are you into poo poo stuff?

>How did this start?
7 years ago our mom died, and a few days later i started to notice a stink coming from her room. she would rarely come out, she's always been a lazy NEET, but when she did i DEFINITELY noticed it and it was not pleasant, even for a degen like me. i was nice and confronted her about it without being insulting, and she was so embarrassed she locked herself in the bathroom for hours crying and refusing to say anything. eventually she told me through the door that since she was a teenager (that's when her weight exploded) mom had been wiping her ass for her since she couldn't reach all the way inside her own crack (most of her weight is in her ass and thighs and she has relatively short arms). i acted super nice about it and told her she had nothing to be ashamed of, yada yada yada, but deep down i was started to get horny at the prospect of seeing her dirty asshole. i offered to help, and she just unlocked the door without saying a word. she never looks me in the eye or talks when i do it, she just turns around and spreads her cheeks.
>What's her age/height/weight?
27/4'3"/480lbs
too fat to reach her asshole around her colossal hips
i've always been an ass man, used to fantasize about licking womens sweaty butts, being facesat by bbws, etc. even jerked off to brap porn a few times in my youth, to my shame at the time. but after the first few sessions with my sister i was gone down the rabbit hole, her filthy ass is all i can think about when i jerk it now. i've never been into scat smearing or coporophagia though, just the light stuff like cleaning. what i would give to taste her ass just once, it's so tempting...

If you're legit, I get it.
I've been helping a girl with a leg disability for years.
I help her undress and bathe and I get very turned on by it.

Well sure thats atleast normal bcause its just an attractive naked girl your seeing... but cleaning a shitty asshole? on a morbidly obese whale? that's gotta be different..