So, my rather vanilla girlfriend recently offered to indulge me and try diapers, and long story short, she loved it. At first we tried it with her wearing only, and several times after that we both wore. No wetting or messing, just foreplay and lovemaking. She's taken such a liking to it that she admitted she'd been having fantasies about teasing me and dominating me while I'm diapered, and she's in a position of power. I'd sort of had my mind set on the idea that it'd be more of a Daddy/LG situation, and although she responds positively to being dominated by me, she seems to have gravitated away from that. I'm a switch, though previously in our relationship I was universally the dominant partner, so this is an unexpected shift for both of us. Like many ABDLs, I have very well-developed fantasies regarding my interests, and my girlfriend was hitting so many of them without ANY prompting or prior discussion of my submissive side.
In particular, it seems to me that she's turned on by how the diaper works as a chastity device and a method of orgasm denial and control. Basically, she gets off on my desperation: teasing me for wearing diapers, how aroused they make me, and how she can exercise control over my pleasure. She wants me to beg and plead to make love or to be let to cum, all the while making me "serve" her orally and with my fingers.
(skip down if you don't want to read about how my last experience went)
Prime example: the last time we used diapers, she suddenly became very aggressive during foreplay. Pushed onto my back, she climbed on top of me, and holding my arms down, she started grinding on me. She told me that I was her "diaper slut", and that I wasn't allowed to cum until she explicitly said so. After tiring of dry humping in diapers, she took hers off and told me to lie back. She lowered my diaper just enough to get my cock out, and teased the head of my penis with her tongue. It was vicious, cruel even, from my perspective, and I let her know that I could barely take it.
"Not yet", her refrain and command. She tucked me back into my diaper (a double boosted M4) and quipped that my erection looked like it was going to "poke through". She laid down and instructed me to go down on her. I had to get her off before I was allowed to get off, and she dragged it out as much as possible: i.e. "allowing" me to begin by inserting just one finger, then two, then being "taught" how to eat her out: she pulled my hair and pushed my face down onto her genitals, giving me instructions about how to pleasure her.
After a few quaking orgasms, she asked me how badly I wanted to fuck her. She made me beg and beg to be inside her. Once she was satisfied with my pleading, she again lowered the waistband of my diaper just enough to get my cock out. All of our foreplay had made her spectacularly wet, but still she made me enter her slowly, relishing my squirming and desperation to penetrate her fully. I felt like my penis was on fire, and that only her cunt could soothe it.
On top of her in missionary, I stayed at a very slow pace. I was so turned on, it felt like I could cum at any second, and even the least vigorous thrusting would cause me to blow. I'm well-endowed (7''), but due to my diaper acting as a barrier, I struggled to satisfy her. It kept me from penetrating her fully and restricted my range of motion. She held me close, and told me right there that she loved how difficult the diaper made it for me to make love to her, that she loved how the plastic of my diaper pressed up against her genitals while we fucked, that it was so hot to see me try this hard to fuck her.
At this point I couldn't hold it in any longer, and just a few minutes after penetrating her I blew a mammoth load all up inside her. Wasting no time, she pushed me off of her and tucked my penis back into my diaper, remarking "let's put that away...", before instructing me to finger fuck her to orgasm before I was allowed to take my diaper off.
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I can't express how lucky I feel, but I do know that I want this to continue, and to escalate. She said that while she's not yet open to me wetting, we could set it as a "goal" for the future. I figure that we can keep setting goals, too. I already floated the idea of being made to cum in my diaper, i.e., not being allowed to make love to her at all and shamefully finishing in my diaper, to which she responded positively.
Because my girlfriend generally had such a vanilla personality and expressed little interest in kink, her own fantasies aren't nearly as developed as mine, and thus I don't know how to "ease" her into dominating me the way I want, just yet. Namely, I want my chastity to be enforced via diapers, to be teased, bullied and humiliated for my sexual preference for diapers, and totally submissive in the bedroom while diapered, to the extreme of total denial, which would entail being unable to masturbate or cum at all, but instead kept woefully stimulated just to the point of uncomfortable arousal - cumming would be a coveted reward.
Has anyone here had any success in the vein of this kind of fantasy?