The Steam Room

Story by StoryTellerGoat on SoFurry

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A fanfiction featuring Diamond Head and Rath from Ben 10.


The Steam Room

(A lewd fanfiction featuring Diamond Head and Rath)

(Thanks to Ryo-Leo and Helix-69 for the pairing idea)

Rath walked into his favorite gym, he had discovered the place around a year ago, and had been a regular ever since. The place was decked out with enough machines and different physical activities to make a bodybuilder squeal like a kid in a candy store. But what really set it apart from other gyms in the area was that it was a 24 hour gym, which was perfect for someone like Rath who was a night owl.

There didn't seem to be anyone else aside from a tired looking employee at the front. Rath checked his watch, it was 11:00pm, figures that not many people would want to workout so late at night. He headed to the locker room to change, and he noticed through the small holes of a nearby locker door that someone's clothes were inside. Rath was certain there hadn't been anyone else in the gym, perhaps they were in the steam room? Shrugging aside his idle speculation he unlocked his locker and changed clothes. While putting on his shorts Rath caught a flicker of movement at the corner of his vision, he turned to look but didn't see anyone. Perhaps it was the owner of the clothes?

Walking back into the gym Rath felt a tiny rush of excitement run through him. He had been planning this workout for a week, which would seem long normally, but he had wanted to incorporate as many of the extra features of the gym as he could. It had taken a while for him to see which activity worked which muscles, and how many reps he should do.

His warm up started with with some squats, but he couldn't shake the feeling that he was being watched, despite having looked around several times, he couldn't find anyone. After doing a few other warm ups he started the first exercise: Bench presses. Rath knew that he should probably have a spotter, but Four Arms, his original spotter and work out buddy cancelled on him last minute, so he decided to risk it.

Rath was on his third rep when it happened, he felt panic as his trembling arms failed to raise the weights. He looked over to the front desk to see that the employee had nodded off. Just before his arms gave out completely the pressure lessened, allowing him to lift the weights up and off of him.

Breathing a sigh of relief he turned around to thank his savior but stopped, hoping his sudden blushing wasn't visible. It was Diamond Head clad in nothing but a towel hanging treacherously low on his waist. Rath tried not to stare, but it was hard not to when you're looking muscles that were literally etched onto a body.

Blinking hard he looked up at Diamond Head's concerned face, "You okay Rath?" he asked.

"Y-yeah, I'm fine, thanks for the save." Rath said in his deep, gruff voice.

Diamond Head smiled, "Good to hear. I've been in and out of the steam room, you're lucky I forgot to fill my water bottle. Anyways I'll see you around."

He turned to leave and Rath couldn't help but stare at the sharp outline of Diamond's butt. Looking over at the employee at the front desk, he saw that they had woken up. Judging by the unconcerned look on their face, Rath assumed he hadn't saw any of it, "Thanks for nothing." He muttered.

He shook his head and decided to continue his workout. Rath walked over to the small pool to swim some laps. The pool only had two lanes, but they were as long as your average pool length. He pulled off his shirt and jumped into the pool. As he swam he got that same tingling feeling on the back of his neck. Was Diamond Head watching him? He almost stopped to check but decided that he was just being paranoid. Diamond said that he was going back to the steam room, there's no way he'd be looking.

Rath finished swimming and headed over to the climbing wall in the corner of the gym after he dried off. Because the gym was open 24/7 a lot of the equipment had instructions on how to use everything. He slipped on his harness and made sure to double and triple check that everything was in the right place. After earlier Rath wasn't keen on another accident.

The rope attached to the harness was part of a remote control pulley system designed to slowly tighten the slack over time, creating a time limit of sorts. When you reached the top it would completely slacken, letting you jump into the foam pit below. Rath didn't normally rock climb, but he enjoyed the challenge of the time limit.

He set the tightening speed to its highest and started to climb. Immediately he felt the rope beginning to pull him and increased his speed. Within a minute he was almost at the top when he saw Diamond Head on what he assumed was another water run. Rath's eyes drifted to his towel and couldn't help but wonder what it looked like underneath.

Suddenly his grip from the wall was wrenched away by the rope and he could only hopelessly swing in the air and reach for the wall.

"You alright up there?" He heard Diamond Head call.

Rath stopped grabbing for the wall and growled back, "Just peachy!"

Just then the rope went completely slack and Rath fell into the foam pit. He laid beneath the foam blocks and facepalmed. He liked to think of himself as a tough guy, but all tonight he'd been anything but. Rath climbed out of the foam pit to see Diamond head above him clearly trying not to laugh. His face went red in embarrassment, at least until he realized that the angle he was at allowed him to see up Diamond Head's towel, giving him a view of Diamond's smooth spherical balls. He unconsciously licked his lips, and just for a second he swore he saw Diamond's bulge get bigger, but his thoughts were broken as he asked, "Did you hit your head when you fell?"

Diamond held out his hand and Rath grabbed it and answered,"Of course not! And what's so funny?" He asked, seeing Diamond's slight smirk.

"Nothing, nothing." He pulled Rath up and continued, "Well, I'm heading back to the steam room, try not to die while I'm gone."

Rath glared at him as he left, but couldn't help but wonder if Diamond's bulge actually had gotten bigger. He sighed, working out was often so relaxing but he felt tense. Maybe he'd drop by the steam room and chat with Diamond Head.

He decided to skip most of his workout and finish off with biking. The bikes in the gym were attached to computer screens that took you through a virtual biking trail as you pedalled, and even made it harder to pedal as you went up hills. Rath booted up one of the computers and chose a course that took you around a snowy mountain. As he pedalled he started to think about Diamond Head and that beguiling towel. He felt his arousal grow and his dick stiffen with it. He started moving his body back and forth as he went up a hill, the gear on his bike increasing. He accidentally rubbed his cock against the seat and let out a low moan. Glancing back at the employee he saw that they had once again dozed off.

Rath continued rubbing against the bike seat, letting out more low moans. He looked up with his eyes glazed over, dimly noticing he was halfway through the course. He started to go downhill, the speed of both his pedalling and his grinding increased. Rath thought about Diamond's wide chest, his cascading abs, and his sharp v line. He hit another hill and his grinding slowed, becoming deeper, longer, more luxurious. He felt a warmth travel from his stomach, going lower, lower, settling in his pelvis. As he grew near the peak the warmth intensified.

Rath's breath hitched as he thought about Diamond's increasing bulge, and the thought of arousing Diamond by staring sent him over the edge. He pedalled faster, desperately, letting out a deep groan. His seed burst from his cock, soaking his shorts from having gone commando. His entire body shook with the intensity of his orgasm, rope after rope further soaking his shorts. He gasped, "D-Diamond", and his orgasm subsided.

Around a corner was a kneeling Diamond, his towel at his front as he furiously rubbed his crystal hard cock. He fixed his gaze on Rath's grinding form as he increased his speed. The sound of him groaning Diamond's name was too much for him to handle and he came hard onto his towel. He stifled his groan as best he could, his pearly white cum transparent on his white towel. Diamond was left gasping in the afterglow, he quickly got up to wash his towel in the shower and return to the steam room, where he had a gut feeling Rath would drop by.

Rath passed Diamond Head on the way to the showers to clean up his cum soaked shorts. He prayed that Diamond noticed neither his furious blushing, or his soaking shorts. He noticed, however, that Diamond's towel was also strangely wet. He shrugged off the thought, attributing it to Diamond being in the steam room for so long. Which also raised the question, how was Diamond able to withstand being in the steam room for so long? Even with his frequent water breaks it couldn't be comfortable after so long. Maybe he'd ask him later, for now he had to wash his shorts unless he wanted to stride around naked.

Rath finished washing his shorts and stripped down into a towel. After fiddling with his it, he could barely get it to stay on. Maybe Diamond had a trick to it or something. He tried to keep his thoughts occupied as he made his way to the steam room. He opened the door to see Diamond Head sitting relaxed with his eyes closed, arms resting on the back of the hardwood bench, and his legs spread, letting Rath see tortuously close to his cock.

Diamond Head opened his eyes as Rath stepped inside the room. He nodded to Diamond as he shut the door and sat down a few feet away. Diamond watched as Rath tried to relax, but was clearly failing to do so, as evident by him sitting almost straight up. Diamond didn't mind however, his straight back gave him a great view of Rath's tight back muscles. A minute passed and Rath hadn't seemed to relax in the slightest, so Diamond decided to strike up a conversation.

"Is it hot enough in here?" He asked, his voice causing Rath to jump slightly.

"O-oh, yeah it's fine." He said stiffly.

Diamond stretched, feeling Rath's gaze on him, "Feels good right?"

"O-oh, yeah it's fine." He repeated.

Diamond turned to him, "Has the steam already gone to your head?"

"Of course not!" He growled, "I was just wondering how you can stand being in here for so long, you spew so much hot air I thought it'd be unbearable for you."

Diamond blinked, and then laughed, making Rath glare at him, "W-what's so funny!?"

"Rath, I'm made out of crystal, of course I'd be able to stand the heat for so long. In fact, it's because of that I heat up more slowly, so it takes a while to get comfortable."

"Oh, I see." He said, relaxing slightly as the conversation continued, "What else is different because you're made of crystal?"

Diamond thought for a moment, and decided to be forward, "Well, for starters my body always looks like it's flexing, see?" He tried to "flex" his arm, but the muscles looked as chiseled as ever, he turned to show off his back, seeing Rath's eyes widen slightly.

"Ahh, the steam is getting thin," Diamond said, "Here let me fix that." He bent over towards the water bucket that was conveniently placed the opposite direction of Rath, giving him a great view of his butt. As he scooped some water he deliberately let his towel fall. He heard Rath gasp quietly behind him.

"But the best part is," He said while he turned around as Rath got up and walked over, "My cock is always hard."

Fully turning around Rath's lips crashed into his, Diamond poured the water, refilling the room with steam. Their hands explored each other's body as their tongues battled for dominance.

"Oh no you don't," Diamond said breaking the kiss, "I saw you doing those squats, your hole is mine." He squeezed Rath's round muscled butt and ground his cock into Rath's making them both groan. "We'll see about that" Rath growled. He grabbed Diamond's 10 inch thick cock and gave it a long and slow stroke causing him to groan loudly. Rath took advantage of the opening and resumed the kiss, quickly achieving dominance. Diamond moaned into the kiss, what he didn't tell Rath that he could also make his body softer, more sensitive but it took time. At this rate he wasn't going to claim Rath's sexy hole. Hardening his body would take too long, he'd have to get crafty.

As Rath kissed harder Diamond played along, which wasn't hard. Rath's hand on his cock was heavenly. He slowly started inching backwards towards the wall that didn't have any benches. Just as his back was against the wall, he spun Rath around, grabbing his wrists and pressing them against the wall. Rath grunted and before he could retaliate, Diamond sprouted crystals from the wall, chaining his wrists and ankles to the wall.

As Rath writhed and struggled to free himself, Diamond stepped back and admired his captured hunky tiger, "I told you Rath," who glared back at him, "that hole is mine. It's time to teach you who's really in charge here." Diamond quickly kissed Rath and gave his 9 inch dick a tortuously long long stroke, making him groan throatily. Diamond continued, "By the time I'm done you'll be begging for me to take you."

Diamond leaned in and softly bit Rath's neck, his hands traveling up and down his furred rippling abs. Rath gasped, starting to submit, not that he had much of a choice. Diamond's mouth traveled down to Rath's nipples, his hands still eagerly exploring Rath's abs.

Rath moaned hard, "P-please-"

"What's that?" Diamond interrupted. "M-my abs, please don't stop"

Diamond stopped, overwhelmed with how hot Rath was when he begged. He smiled, "I'll do you one better." He lowered himself to Rath's abs and licked up the middle.

The resulting moan was so hot it somehow managed to make Diamond's crystal hard cock even harder. He started biting and nipping at each of Rath's eight pack abs, causing Rath to groan and whimper, he almost sounded in pain.

Diamond's ministrations continued, and Rath's moaning reached a crescendo, "Diamond, I'm... I'm going to cum!" just then, Diamond bit down on his abs, causing Rath to cry out as he came, his cum splattering and running down Diamond's chest and abs. Rath panted hotly as he continued to cum, groaning further as he saw the sexy sight of his cum running down Diamond's body

"I'm going to let you go," Diamond said, "But if you try anything I'll milk you dry and then some."

Rath shivered at the warning, and was tempted to do just that just for the sexy punishment. Diamond released his restraints, seeing Rath wobble, he stood up and embraced him with a deep kiss, slowly lowering him to the tiled floor.

He broke the kiss and huskily whispered, "I'm going to prepare you, just relax, and the pain will go away." Rath nodded.

Diamond inserted a finger into Rath's tight hole, it almost seemed to suck his finger in. Rath's following groan was stifled by Diamond resuming the kiss. He entered a second finger, and began to scissor them, making Rath pant and moan. Then finally the third finger, slowly stretching out Rath's hole. When Diamond was satisfied he positioned his cock in front of Rath's hole.

"Go slowly, please" Rath begged

Diamond moaned, "Ask me like that and I'll do whatever you want." Then without another word, he slowly entered Rath. Both groaned as Diamond's crystal cock slowly pushed in until he was up to the hilt.

"R-Rath," Diamond moaned, "Tell me when I can move."

Rath was struggling to speak, but managed to say, "M-Ohhh, m-move, Please!"

Not needed any further encouragement, Diamond began slowly moving in and out, speeding up slightly every time.

"You're so tight Rath!" Diamond panted.

"Please don't stop!" Rath cried

Both of them quickly became consumed with pleasure, groaning and panting. Through the sexual haze Diamond searched for Rath's g-spot, and quickly found it. Immediately Rath arched his back, his moan nearly becoming a shout. With a target now in mind, Diamond hammered his prostate. Determined to give Rath as much pleasure as he could, he wrapped one hand around Rath's length, slowly stroking it, nearly driving Rath mad. Then with his free hand he began massaging Rath's abs.

Diamond knew Rath wouldn't be able to last long, so he quickened his pace,

causing waves upon waves of pleasure rolling across his body, quickly sending both of them to the edge.

Rath was the first to come, "I can't hold it anymore!" He roared his release, his hot cum splashing against Diamond's body, every breath a groan. Despite having orgasmed multiple times, his load was even bigger.

The warmth of Rath's cum on his body was too much for Diamond to handle, he gave a deep final thrust and exploded inside Rath. The intensity of the orgasm vibrated his entire body, he could hardly even moan as shot after shot of cum filled and overflowed out of Rath. Diamond's strength gave out, and he collapsed on top of Rath's heaving chest. Rath let out a whimper as Diamond's abs grinded against his hyper sensitive dick, instantly sending him into another orgasm. Diamond gently kissed Rath as the sudden orgasm stole what little strength he had left. Pulling out of Rath, Diamond picked Rath and stood up and started walking to the showers.

"Looks like my hunky tiger got dirty." Diamond said.

Rath chuckled, his eyes closed.

"Workout buddies?"

"Do you even need to ask?"

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Author's note: Fun fact, did you know some tigers can mate up to 50 times a day? Makes Rath seem like he's slacking.

Well first and foremost, thanks for taking the time to read this. If you have any criticism or advice I'd love to hear it.

I had a wonderful time writing this, I haven't had such a good time writing in a long time. Oh, also I've come up with a new concept for another story: A cum battle, the name of the game is to try to make your opponent cum three times before they do the same to you. If y'all have any pairings you'd like to see in that story please let me know! If there's no suggestions I'll probably do Lin Hu and Likulau. Lin Hu's pride and Likulau's stubbornness when it comes Lao are unwavering. But as I said, I'm still open to suggestions.I also do non lewd stories as well! if you're interested I can send you a link to some of them. I do have one short story to write before I'll get to the aforementioned story, but that just means you all have more time to suggest some pairings.