so bdsm fics where bkdk are all knowledgeable & know the scene...
꒰ঌ𝐐𝐓໒꒱🌺 (̨̡ ◺˰◿ )̧̢💕(̨̡ :.Ꙭ.:)̢̢@kewltie
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Aug 05, 2026
~7 min read
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1
so bdsm fics where bkdk are all knowledgeable & know the scene really WELL which is cool and all but like im more interest when they sorta accidentally stumble into it. clumsily & confusing trying to understand the shift of the power dynamic in their relationship
2
it starts out small and insignificant in a way until it stop being being that bc izuku keep recklessly endangering himself bc he got some pain kink that he doesn't fully grasp but when he comes back hurting and bruising it makes him feel ALIVE. it's also stupidly dangerous
3
katsuki doesn't know how he's the only one who notice that izuku wears a sweatband around his wrist & how he intentionally digs his nail into his skin there sometimes when he's stressed. or the way izuku gets really into when they're sparring, wanting to hit hard and make it hurt
4
one time he got a good look at the skin underneath that sweatband, a blossom of purples and blues and it fucks him up. sends his head reeling bc he thinks he can do better, he can be the one to put it there. he doesn't know if there's a word for what he wants but he wants it
5
but katsuki doesn't approach izuku about it. not until izuku nearly get himself kill charging in and NOT THINKING AT ALL. katsuki just drops his hand on his shoulder firm. forceful. he says, "don't move." it's a command, an order, and it rings in izuku's ears. he stays still.
6
he breathes and lets his body drift as katsuki's words anchored him to the ground. just those two words is enough to silence all the static noise of anxiety and fear in his head bc all he need to do is listen to katsuki. it's what he'd always done. follow katsuki's words.
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after that, it's like the dam breaks. they dont ever talk about it bc they're not together, but katsuki have more input in izuku's life than anyone else. even his own mother. it's just really SMALL things, like things you dont even pay attention to but it's there for all to see.
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when izuku get distracted and doesnt eat his food at dinner bc he get so caught in his own head, katsuki walks pass his seat and drops his voice to izuku's ear: "eat your food, nerd," and that's enough to get izuku's head drag down from the cloud and eat his food.
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or when izuku's anxiously taps his feet, katsuki's grip his thigh to force him to stop & izuku's brain just freezes and he stops. it's not even sexual, it's just the power dynamic is all skewed toward katsuki w/ him pulling all his strings,,,, but izuku can easily cut it anytime
10
katsuki for all his bricklyness is v v v good at taking care of others and also bc he has control issues so he likes being put in charge and ordering ppl around. if he prefer to order izuku around more than most bc how easy and compliant izuku is he doesnt want to think about it
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for izuku, the stress of carrying all might mantle and emotional turmoil gets him antsy and muddled his head REAL good that pain is his release, but when katsuki is the one to give it to him it's like he doesn't have to think,,, and just let someone else think for him.
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there's no hardcore kinks, no overt bdsm style changes but just a powerplay and silence consent where izuku gives him his autonomy and lets katsuki dictates the minuscules details of his life; what he wears, his diet, triaining, etc and it's feels so right for both of them
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they never really have a frank & open discussion on the changes in their relationship. nothing even like, "oh so i like to order you around & you kinda into that too" lol but the fact that izuku OBEYS katsuki's commands everytime even tho there's no threat or knife to his throat
14
katsuki says it and izuku just do it. he can walk away anytime and though they spoke up about it,,, izuku's consent is there screaming out loud everytime he listens and complies. it's not the most orthodox d/s relationship where clear boundaries are drawn but it works for them
15
thy woudn't EVER really talk about it if izuku's pain kink wasnt a thing bc he still wears his sweatband & still picks at his bruises when he get anxious and it DRIVES KATSUKI ABSOLUTELY INSANE. he wants to yell at izuku not to hurt himself anymore BC HE CAN DO IT BETTER
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but the thing is katsuki has a history of violence his volatile temper, his quirk, & his past w/ izuku so to give in to that idea of HURTING izuku feels like he's letting that part of him out bc he's not THAT PERSON. he doesn't hurt ppl to FEEL GOOD but he wants oh how he wants.
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katsuki himself has his own baggage & demons about his own 'twisted' desire as though wanting it rough & to hurt make him bad when there's a diff b/t wantiNg & DOING it. EVEN WHEN he's sicked with the desire to put his hands all over izuku he doesnt do it w/o izuku's permission
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if he can release that in a control, safe, and consenting environment that's something diff bc he's only hurting those that willingly consent to this. but katsuki doesn't have a word for it or the full grasp of it all means,,, he knows what he wants & what he can't do & that's it
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neither does izuku bc all he knows that he have an absolute trust in katsuki. he doesn't know if he could do this w/ anyone else bc it's not like every one who order him get his knees weak. no, it's bc katsuki knows him best, know him more than he even knows himself sometimes.
20
izuku doesn't always have the words for what he wants, but katsuki gets it. gets that izuku's head get REALLY LOUD sometimes, so katsuki just placed a firm hand around izuku's wrist and just squeeze. strong enough to hurt, strong enough to bruise and drag izuku's head back down
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they eventually HAVE TO TALK ABOUT what's been going on for months w/ more & more pieces of both their lives so integrated--katsuki's dictating the pace of izuku's life & he willingly let him do IT. izuku the one who CORNERED HIM ABOUT IT bc ofc he would once he made up his mind
22
arms w/ info he found on the internet, izuku tells him: "this is what we have and i think we could do more of it" and that's how they both got introduced to the bdsm side but they're still new and TERRIBLY CONFUSED at first bc this isn't consider 'mainstream' or conventional
23
katsuki is initially resistant to giving a label/name to their relationship bc that would means it real and he has to accept the fact that sometimes,,, which is A LOT OF TIMES, he wants to bruise and hurt izuku and izuku LETS HIM and it's just hard for him to swallow.
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even tho katsuki is the one making commands & order, it is IZUKU who dictates the pace of their relationship and who honestly has the mastercontrol of it bc this wouldn't work if izuku wouldn't LET katsuki have the reign over him, so ofc izuku is the who has to move them forward
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once izuku get something in his head, he won't let go. katsuki knows this & he HATES to admit it but it was to immense relief to think there's a whole culture of ppl like them. there are ppl out there that likes to give in to this darker more violent side and still come out ok
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he wants to come out of OK if he go forward with this but bc more than anything he's afraid that izuku won't say no to him and let katsuki hurt him to the point where it stop being about izuku and what he wants but more katsuki using izuku as tool to release his rage/darkness on
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so yea, trust being two way streets for them. izuku trusting katsuki to take care of him and keep him safe and katsuki trusting izuku to know when to say no and not let katsuki get into deep. so WHEN they go on this journey it's with clumsy unsure footing but it's TOGETHER
