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2025-11-01
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I hate secondary mutations

Summary:

Hank McCoy x rutting male reader!!! You're welcome

Work Text:

I'm proud to be a member of the X-Men. They're all kind and sweet. But sometimes I hate being a mutant. My secondary mutation is hell. I have a rut like once every two months. It's unstable and most of the time I just lock myself up in my bedroom and pretend nothing is happening for a few days. Xavier knows so he just gets everyone to leave me alone. But I try my best to keep track of it. Sometimes it can be sudden but I handle it every time.

But hey at least I can get an exam from Dr. McCoy. He'll be able to make sure my vitals are okay, even though technically he doesn't have a medical license. When it comes to the X-Men this is as close as I'm going to get. I gently knock before opening the door to see him handing upside down with some vials in his hand.

“Oh hello! I seem to have forgotten about your exam for today. But don't fret, I still have time for you. Just sit down in that chair and wait for me. You can do that can't you?” His tone is genuine despite the words themselves seeming condescending. I sit down and wait patiently, watching him as his blue, furry, built body walks across the pipes on the ceiling. The way his fingers grip the glass beakers that are vaguely phallic shaped makes me blush ever so slightly. Remember, he's a doctor who is just going to give me a gentle exam. He's not a piece of eye candy for me. I listen to the way he hums along to classical music loudly playing from the radio.

“Dr. McCoy? What musician is this?” I ask gently, not wanting to bother him too much. He glances at me before answering.

“Please, call me Hank. It's just some Bach to get the day started. Beautiful isn't it? Jean Paul Richter was right when he said ‘Music is the poetry of the air.’ Don't you agree?” I nod, not understanding who any of those people are but the quote sounds cool.

“I do. It sounds nice. Really sets the vibe of the lab. Is that the only music you listen to?” He chuckles and looks down at me. His smile made the corners of his eyes crease ever so slightly.

“No. I listen to classical of course but I also listen to opera and some of the work of Ms. Spears.” I chuckle and then laugh. Britney Spears wasn't something I expected but it's funny to think about. A man as dignified as himself listening to ‘baby one more time’ is hilarious to me.

“I finally saw that smile. I'm honored. It's hard to get you to laugh, I know I've seen Gambit try his hardest.” He looks at me for a beat before looking away, focusing on his work again. He likes my smile? With all the sharp teeth I didn't think he would but he actually does. But even then I don't think I should be this flushed from a compliment. It's fine, he can give me an exam in a bit. I just have to be patient and wait. After about what I think is ten minutes he hops down from the ceiling and sets down his equipment.

“Okay. Are you ready for your exam?” Before I can answer, he already has a stethoscope to my chest, his other hand holding my back in place like he does for wolverine sometimes because he moves too much. He smells nice. His aftershave, which he wears for some reason, smells of pine and he smells slightly like sweat. His smell is almost intoxicating. I heard he had pheromone manipulation but dear God I would do anything to huff him.

“Oh. That was not my intention.” I opened my eyes, which I had closed at some point, and followed his eyes to my now, very very hard, dick. Oh God no not here. A rut? Now? He looks slightly disgusted but I can't even mutter out an apology before the rut hits my brain like when a lightweight takes an edible. I just curl over, trying to hide my tented pants from his view.

“Are you… alright? You must slow your breathing, you might hyperventilate.” I just pant as I look at him, my vision blurry. I want help but I can't ask. He's a professional he shouldn't have to help me

“..rut… I have to go..” I can barely speak but I managed to get those out. His confused face turns to reluctant understanding. He looks at me before going to his file cabinet, skimming through it before finding mine.

“Hm. Well it does say that. Since it never comes up I guess I forgot. You can lay down in the cot until you calm down enough to walk back to your room. I'll avoid touching you so I don't affect your rut. Try to breathe.” I just grunt in response before weakly walking to the cot. I fell onto it with a thud. I can hear my heart pounding as the heat of my face increases making me feel worse. I can barely see. Time becomes a blur, I'm eventually unable to tell the time between a few seconds and a few minutes. But I can't help but hump against the cot, my hips grinding slightly. God it feels like my dick is gonna explode. He's right there. His shoulders are so big and he smells so good. I hear a sigh so deep, and filled with annoyance.

“Okay. It seems I must assist you. One, because you're in pain. And two, because that creaking is making it impossible to think.” I feel bad. Like a lectured child about to cry, mostly because I actually am about to cry. I feel him flip me over with hands that are now gloved. It's embarrassingly hard right now. I see him pour some lube on his hand. Probably medical grade or something but I don't care.

“Dr. McCoy- I can't please- wait.” He quietly shushes me, his hands gently unzip my jeans. He pulls down my boxers, my hard cock springing loose. It's leaking a humiliating amount of precum, the thick clear liquid leaking from my tip down my base. He pours lube on my cock which is so cold I involuntarily recoil in response. I look up and his eyes look tired. I look down again and feel his somewhat warm hand grip my cock. Firmly, yet gently. I can feel myself drool and my brain turning into mush. My hips buck against him trying to seek as much pleasure as I can get. I lean back and bite my hand, a gentle whine leaving my throat.

“Oh. We can't have that. No biting. I'm just helping you release so you can rest.” The hand that isn't gripping my dick touches my hand pulling it away from my mouth. I fall back, biting the shitty pillow on the cot. My hips shudder and buck like I'm possessed. God I'm so close yet so far. After three agonizingly long minutes I cum, accidentally shooting my load on his face. I can't even apologize. I'm so busy catching my breath, looking at his face. I'm sure my expression is pathetically horny.
“Well. I hope I helped. Now I must clean my face. Go to sleep. Now.” He's colder but seems flushed? I'm reading too much into it. I pull up my boxers not bothering to zip up my jeans. As I catch my breath I roll over and start to nod off, Bach still playing in the background which is starting to get more faint. And before I know it, sleep catches up to me.

I wake up more horny than ever. Fuck I need something. Anything. It's like my body moves on its own as I crawl to Dr. McCoy. He's working and is completely focused on his work. I finally get close and when he looks down at me I'm already hugging his thigh, as I hump his leg like an animal. He looks … embarrassed. He's as red as a beet and his breathing seems almost shaky. I try to talk to him but all I can manage is a pathetic whine as my hips move against my will. I even bite his pants narrowly avoiding biting into his thigh.

“Please this is quite unprofessional. Should I help you again? If you're trying to dominate me it's not going to work.” I whine in response, my hips rubbing against his shoe as I lose strength. He sighs in irritation before looking down at me.

“Fine. Fine. I hate that I must help you but in your condition you can't go anywhere. I am unsure why I'm the focus of your desire but like this I think you'd hump anything.” he sighs and puts his gloves back on as my drooling mouth soaks his pants. He grabs my collar and picks me up, setting me down on the exam table pulling down my boxers once more. Unlike before I try to get closer, rubbing into the fur on his neck. I can't help myself. I bite down, getting a groan from him before I feel a large hand grip my hair, yanking me back as his other hand stops jacking me off.

“This horny display? That I can tolerate. Biting? I will not tolerate violence. You can't even understand me now. Your eyes are glazed over and hazy. Just stay still and let me help. Or I will sedate you.” I just hug him in response as his hands start working again, stroking up and down my sensitive base. I groan against his neck, trying to fight every instinct I have. I feel close so my body bucks trying to grip at his hips for a sense of control. I wanna be inside something. I want to breed something. I cum but my dick doesn't soften. I use all my strength to pin him down and place myself between his legs.

“No you don't.” In the blink of an eye I'm slammed on my back on the cold lab floor, his hips in-between mine. I let out a whine and he looked down at me, his gaze filled with irritation and something I can't quite place. He suddenly pulls out his dick, which is hard and much bigger than mine.

“It's been a while okay? Don't think you're special, I'm just … pent up. I'm sorry.” Sounds like he's trying to convince himself more than me. His hand wraps around both of our cocks as I'm left shaking beneath him. All instincts I had to dominate him are gone, my body knowing I won't win that fight. His is so warm and large against mine. I feel like I'm going to explode. So much pleasure all at once is intoxicating. Back to back orgasms make my head spin. I try to say something but I can't get a word out.

“Are you alright? You're crying.” His kind and worried voice would feel nice but I'm more focused on the fact his hand stopped. I whine and buck my hips.

“I'm okay… I'm sorry, keep going..” My voice is shaky but he listens, his hand moving again. He leans down to my neck and I get the urge to bite again, which I'm unable to fight. Unlike last time, I don't feel my hair get pulled. I feel a sharp pain in my shoulder and I cum, my body shaking and going slack. He looks down at me and walks away for a bit. I assume he's cleaning himself up but it's so much work to look over there. He comes back with a warm towel and wipes down my stomach where my shirt was lifted slightly and my dick before setting it to the side and dressing me. He carries my limp form to the cot and puts a blanket on me.

“I'll see if I can make some kind of medication to treat this so it doesn't happen again. You should rest.” I'm grateful he wants to help but part of me hopes he fails… so he can help me one more time.