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Brotherly Bonding

Summary:

Klein can't sleep after moving into the Morettis ' new household. Thankfully, he has his thoughts (of Benson) to keep him company until he can.

AKA - Klein masturbates to his big brother, as all little brothers do, so he can sleep.

Notes:

I hardly ever write, let alone smut, so I hope this isn't too poor in quality. When I realised there were NO Benson/Klein fanfics on AO3, I decided to right this issue myself! Hopefully, one day there will be more authors for this pairing. I can't believe the content is so sparse! 😤

I may turn this into a series, but for now, have this oneshot.

(See the end of the work for more notes.)

Work Text:

Klein shuffled in his bed, letting out a soft huff. He's been squirming about for the past hour, and he still hasn't been able to sleep.

The Morettis had recently moved into their new home on Daffodil Street, and by all means, Klein should be enjoying his new bedroom. He had his own space, his own bed, privacy and room to move about as he willed.

So why, for all that is holy, was he unable to sleep so?

He was starting to think he drank a sleepless potion and not a seer one.

'Come on. Just count. 1, 2, 3, 4…I'll be asleep in no time!'

He's been telling himself that for at least 20 minutes. Still hasn't worked…

Klein knew, deep down, why his body resisted sleeping.

Despite the original Klein being long gone, his built-in beliefs and habits were not. And now Mingrui, as Klein, was beginning to suffer from it.

Klein was not used to sleeping alone. He was not used to his own space, his own bed. Privacy was an unfamiliar concept, one that he was beginning to dislike.

It wasn't right, sleeping like this. Sleeping alone.

Melissa being in her own room was something he was used to. After all, Melissa had her own room in the old apartment as well. In fact, Melissa wasn't even here now! She was off sleeping at a friend's house, as many girls her age loved to do. Klein had no problem with that.

But Benson?

It felt unnatural not being near him, close to him. Benson may have been gone often for his work, but Klein was still more used to him being there than not. Klein was accustomed to having Benson there, and Mingrui did not like having to go against his typical — even if it was Klein's typical, technically. There was hardly a difference between Klein and Mingrui now anyway.

Klein struggled against the sheets once more, grunting in frustration. He couldn't sleep; he just couldn't! He couldn't, he couldn't, he couldn't-

'He's only a few rooms down! Just calm down already!'

Despite Klein's angry complaints towards himself, his body did not obey.

Klein groaned into the pillow, nearly ready to just admit defeat and try to spend his time more productively.

But he really wanted to sleep. He'd rather not be dead tired at work…

One more shot…

He sighed, rolling onto his side and hugging his pillow. He closed his eyes, brows furrowed lightly.

Klein tried to centre his thoughts. Benson was right down the hall; he was still here. Just because they weren't a foot apart didn't mean he wasn't there…

'I wonder if Benson would find this funny. Or, no… He wouldn't. Benson cares too much; he'd try to comfort me.'

With that thought, Klein breathed a bit more steadily. His thinking expanded on it more. Memories unwillingly, but happily welcomed, surged up in his head. Klein remembered the last time Benson comforted him over something so silly as a little anxiety. Klein was rather prone to anxiety (Mingrui related to that, ha!), so Benson helping him out was hardly atypical.

The last time… Ah, right. Klein was fretting over some test in his classes. He spent so much time fixating on the small details that he felt he missed all the main ones. It had begun to impact his sleep, even. Benson was home that night, although far later than typical. Despite the far too late hours, Klein was still awake, and Benson wasn't too pleased to see that.

It was a tad embarrassing to think about…but…

That night, Benson had practically strong-armed him into bed. And he hadn't left after, convinced that Klein would just get back up to fret if he did. Klein was in bed beside Benson all night. Benson stayed with Klein, acting as a warm wall to lean into as he let himself forget about the stupid test and focus on Benson.

Benson didn't do much, just wrapped an arm around Klein's back and let the younger cuddle into him, but it felt like so much. It made Klein's heart race, and yet calm down at the same time.

And now, the memory still keeps him feeling warm.

'Benson just let me cuddle…He didn't need to be in bed with me, Goddess knows it hardly fit one of us — let alone us both. It must've been uncomfortable for him, and after coming home from such a long shift…'

Klein hugged the pillow tighter, feeling his face heat up quite an amount. Benson always did so much for him, all for the smallest reasons.

'He's such a good brother."

Klein still didn't feel ready to fall asleep, nowhere near, but he felt relaxed at least.

Klein focused on thinking about the memory more, since it seemed to have an impact. He thought about the sensations he felt then. Benson was warm and solid. Benson smelt a bit sweaty from such a long shift, but Klein hadn't minded it at all that night. It was comforting, if anything. The scent of his brother was strong, encompassing…

'He held onto me all night. We, or well I, were lucky that we managed to separate before Melissa got up…Benson might not have minded, but it would've been a social death for me…!'

Shifting in the bed now, Klein let out a heavy sigh. The memory was so nice to reflect on…Klein barely noticed himself squirming once more; the warmth he felt distracted him from his instinctive movements

'I wonder if Benson would force me back into bed as he had before if he saw me up like this…'

Klein buried his face into the pillow he held, thinking about it more. Would Benson strong-arm him once more? Or maybe he'd just offer to sleep in the same room… that's a bit disappointing to think about, though… Either way, he'd do something. He's so caring like that. Such a good brother. Klein wasn't sure what he'd do without him…

With his thoughts beginning to ruminate on these what-ifs, Klein's imagination took off. He pictured Benson's sigh of exasperation, his concerned words to Klein. Benson shrugging his coat and shoes off, getting ready to pull Klein into bed so his little brother would finally sleep. Klein thought about Benson lying beside him, arm wrapping around his waist as it once had been before. He thought about being able to bury himself in his brother's familiar chest, of letting his mind quiet down so he could focus on the sensation of Benson.

Klein's thoughts trailed on, and his body moved instinctively. A bloom of heat unfurled in Klein's lower half, and he unconsciously rocked his hips to ease it. It dragged on for a few minutes until it built up too much, and Klein snapped out of his thoughts.

He looked down at himself, practically straddling the pillow now. Shame washed over him, nearly ridding him of the needy want that's grown in him.

'Oh Goddess, what am I doing? What's wrong with me? I was just trying to calm myself down. How did it turn into this?'

Klein scolded himself, self-deprecation filling the thoughts that Benson had previously dominated. He felt like a pervert. He squirmed in the bed, now more alert than he was to start with, and pent up to top it off.

He let out a shaky breath, trying to calm himself by breathing rather than letting his traitorous mind take things over again.

It didn't work.

Klein sat there for several minutes, trying to will himself into relaxing and ridding the depraved desire that built up in him. Despite his wishes, it didn't disappear. No matter how ashamed Klein felt, he still felt the yearning for Benson's comfort in him.

'I can't even think like this."

'I have work, I can't just function off no sleep. I'm not actually a sleepless!'

Klein grit his teeth, face fully hidden in his pillow. His hands gripped it tightly. He wanted to refuse this, but he felt tired. He felt alone. He needed something. What if every night ended up like this?

They were just thoughts. Nobody but his own guilty conscience would know.

Was it really that bad…? It felt wrong, of course. Every part of himself felt ashamed. But Benson…

'Would Benson be mad at me?'

That thought alone almost steered him straight. The sheer idea of rejection coming from Benson of all people? It chilled Klein. Despite his shame-driven urge to object to his desire for Benson, the idea of getting rejected only upset him into wanting comfort more. He didn't care about the immorality of it now; he couldn't even entertain such an upsetting idea! He'd rather get off to the idea of Benson than let himself worry like this; it was too much.

'B-but, no… Benson is understanding. He cares about me. Don't think about that. Maybe he wouldn't be disgusted, just worried, or concerned…yeah.'

Klein latched onto the excuses, finding it much more comforting. He'd rather feel like this. Benson wouldn't want him to be upset, anyway, right?

'Maybe he'd be okay with it. He's tolerant, he loves me.'

'He's the one who held me. This is just…a physical response to it. It's fine.'

Squeezing the pillow between his legs once more, Klein held the pillow tightly, as he had previously. The seed of shame was still in him, but he let it be buried for now. He'd deal with the emotional repercussions later, when he wasn't upset and trying to sleep.

Klein's brows furrowed, face flushed. Was he truly about to do this? Oh, what's the point of delaying the inevitable…

Klein experimentally rocked his hips against the pillow like he had earlier, only intentionally this time. His expression scrunched up. It felt…nice, even if he felt a slight sense of horror at the sensation alongside the pleasure. He let out a shaky breath, squeezing the pillow once more.

'Everything is fine…Benson won't know! Just…Just be quiet…'

Klein sighed softly, starting to build up a slight rhythm as he rocked against the pillow. There wasn't too much friction; his pyjama pants dulled it. Yet, the pressure was still exciting. He gasped softly, increasing his timid movements.

'Ah…It feels so good…Benson…'

A soft moan escaped Klein's lips. The unfurled warmth from earlier was fully present now, becoming a vivid heat. Klein whimpered softly, humping against the pillow like some cat in heat. He shifted his position, moving to sit up and straddle the pillow in a more proper manner now

'B-Benson…Would he…How would he react…'

Klein let out a soft whine, moving back and forth against the pillow. He felt needy, practically regressing in desire. He closed his eyes, brows furrowed, and lips bitten. He continued to think of his beloved brother. His dear Benson whose done nothing but prove himself as dependable and strong. His brother, who would comfort him through the night and hold him despite their grown age.

"Oh…Mhh," Klein let out an audible moan, hand moving to cover his mouth. He needed to be quiet, lest the protagonist of his fantasies hear him. In his state of desire, he didn't even think of scrambling to put up a spiritual wall…or perhaps, deep down, he hoped to be discovered?

Klein supported his weight by planting one hand on the bed (the other still covering his traitorous mouth), gasping softly as he continued to rock against the pillow. It felt immature to be getting off in such a virgin-like way, to hump a pillow like some teenage girl, but it felt…better that way.

'If Benson saw…Would he still view me as his little brother? Would he like this sight, his baby brother getting off like some hormone-addled girl? I-I'm not even touching myself…'

He imagined the one he desired was below him, that Klein was on his lap and not some undesirable pillow. He keened softly, rutting more frantically. Oh, he wished he could feel Benson. Maybe Benson would hold his hips, or thighs perhaps, keep Klein in place. Maybe he would grind back, or do all the work for Klein instead…

"Ah, ah…Br-other…" Klein let out more muffled moans. The heat that's been continuously building up inside him has become nearly intolerable now. He could feel himself leaking, wetting his undergarments. His erection was pressed and stimulated by the reverent humping, getting him off better than a handjob would.

'Do I look stupid? Would Benson want me quiet, or…maybe he'd ask to hear me? Ah, I wish I could…Benson…'

Klein could practically hear Benson's soft chuckle, his soft scold of Klein to not quiet himself so, his rough hands prying Klein's smooth ones away from his mouth—squeezing them gently…

"Ah! mhh, B-Benson…" Klein choked out in a pitchy voice. The hand supporting his weight on the bed tangled into the sheets, Klein gasping softly as he worked himself up.

He felt close now. His movements became more erratic, and he nearly curled over the pillow. He was panting softly, breathy and high-pitched.

"Ah, Ah! Brother, please…!" Klein whined out to no one. His thoughts whirled, coming up with more and more erotic scenes as he neared his climax. He was picturing Benson stroking him in one moment, Benson pressing him against the bed in another. His mind filled with countless different scenarios, unsure of which one to focus on as he tried to fulfil the vast need that's built up inside him.

Klein let out breathy moans, the sounds haptic and growing in volume. He tried to cover his mouth as much as possible, not wanting to cause a disturbance. Not now, of all times…

His thrusts quickened, the fabric beneath him rustling loudly as he moved. Klein's legs trembled, climax imminent

"Nghh, ah! B-Benson..!"

Klein sobbed against his hand, his movements frantic before suddenly growing sloth-like. He shuddered, gasping for breath. The heat inside him dissipated like a candle's flame blown out. A warm liquid shot through his underwear, joining the wet mess already there from the early leaking.

Whimpering softly, Klein slumped against his bed. His nerves felt shot, and tingles ran up his spine as remnants of the pleasure he reached.

"mh…" Klein drowsily blinked, curling up with the pillow he violated. His mind and thoughts stopped, leaving him numbly pleased and blank.

Still in his dazed sleep, he was dragged to sleep. He fell quite quickly, eyes closed, before he could even think about processing his state. Content and with his needy desires met, the cat's deep sleep began.

On the other side of the closed door, Benson stood rigid. When he heard noise coming from his brother's room earlier, this was not in his expectations. He came in fear that his brother was pained from his new job, or perhaps was suffering from a nightmare. He had lost his friends recently, after all, and they just moved. Not to mention all the hard work Klein's been pulling recently.

He had not…expected this. When he arrived at his brother's door, before he thought of knocking, his mind processed the noises inside. Rustling sheets, muffled yet audible noises. He was about to turn around, embarrassed, before he heard his name being said. His baby brother, saying his name, when he was obviously…

To think Klein would think of him so…Benson's never noticed such things before, but how could he? Was there any difference between their love and a lover's? Was there anything that distinguished how he held Klein from how a man would hold his wife? He never thought about such, but now that he was... Everything felt natural to him, and no, there wasn't a difference, was there? Then, he supposed, this was only a reasonable outcome…

Benson looked down at himself, his 'issue' prominent. It seems he, too, would need to lower himself to self-fulfilment tonight…

Ah, but before that…He opened the door quietly, already made up in his mind to clean up his brother, who had, evidently, passed out before he even changed!

What was he going to do with this kitten, hm?

Notes:

Watch nobody read this... Benson/Klein is too amazing for most, I’m sure. /silly

Ah, a tragic day to be a rare pair shipper. Hehehe, maybe I should see if my other pairs will be more well received 👀

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