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Zhongli had always said he hated seafood, but Childe didn't know he meant it like *this*.
Prior to his situation, the ginger man had made Zhongli his signature dish - a bowl with freshly caught octopus and other Snezhnayan ingredients alongside. It's probably still sitting on the dinner table in their house right now, abandoned in Zhongli's heat of the moment decision to pull Childe by his cape all the way to their bedroom.
Right now?
Childe was laying on his back on their bed naked, legs spread and slightly shaking as he scissors himself open, with the consultant situated himself on a chair in their room. The pleasure is nice, but it isn't much after being on Zhongli's fingers for weeks. The Harbinger knew full well, though, that if he complained he wouldn't be getting much at all tonight, so he decided now of all times he'd play along. "I'm sure you can make Hydro constructs with your vision, correct?" Childe immediately gets the gist of where this is going (or so he thinks), creating a Hydro fleshlight type object to give to his partner.
"A lovely gesture, dear, but that wasn't what I had in mind." Confused, Ajax breaks the construct, stilling his fingers that had well finished their purpose by now to focus on what Zhongli was going to tell him to do. "It isn't too difficult to create something akin to tentacles, is it not? After all, elemental beings composed of Hydro tentacles do exist in Teyvat." Childe couldn't help but laugh. "So that's what got you all riled up, huh? And here I was, thinking it was something about what I did earlier today~ But, a Hydro tentacle or two won't be a problem." He wasn't sure where the tentacles should protrude from, so he just let them come from behind his back - maybe it would give them better access? The first appendage to appear along his form moved to his leg, coaxing him into moving his hand away from his lower body. It explored his thigh, first moving closer to his knee, but then moving up closer to his dick and feeding off of his reactions.
"A Hydro construct that responds to external reaction... interesting. Perhaps it thinks as you do?" Childe doesn't have time to process that, more tentacles emerging from behind his back to explore his body - some going up, some going down. The only one he really notices is the one that already starts entering him, spreading him apart enough for him to arch with a hitch of his breath.
This is a chain reaction, though: the one near his cock feels the twitch of it and comes into proper contact, splitting apart freely to welcome it inside. Ajax catches his eyes rolling back, pulling them back down to see Zhongli stroking himself to the sight of his boyfriend fucking himself with the Vision the gods bestowed upon him. "What would the Hydro Archon say if she saw you like this, hm?" Childe's eyes teared up a little, flicking to the slightly see through appendage fully concealing his cock, drowning it in excretions.
Another tentacle prods at his ass before pushing in alongside the other, slightly thicker at the base than the other one. Over the squelch of it, Ajax can hear Zhongli groan. He had always found this kind of situation - pleasuring himself while someone else masturbated at the sight, that is - was hot, but like this? He was completely at the mercy of his Vision that he himself controls. It was erotic enough, even more so that the way it manifested was multiple tentacles staking claim over his body.
Speaking of 'multiple', the Harbinger had lost count as to how many there actually was now. The only ones his body highlighted were the two at his ass, the one very obviously trying to get close to his mouth, and the one on his dick. He sighs, moving the tentacle snaking its way up his neck to his lips and opening for it to explore as it may. "Whore." Zhongli spits, surprising Childe enough to make him almost bite down on the construct. Not in a bad way though; the moan caused by the nickname muffled as he looks back to the man, watching his hand move diligently.
They're moving more hurriedly now, most likely in accordance to his more fevered mental state as he nears his high. "Don't cum yet, Ajax. I know you can be patient." As these words are said, the appendage around his dick welcomes another tiny one inside of it, slotting carefully into the slit of his head to prevent orgasm. "Nhnn- Xiangsheng, please, I-"
"I will have no exceptions." The ginger man's mind melts, choosing instead to accept his order albeit squirming from the sensation of a foreign object inside of his dick. He couldn't deny that it felt nice, though, always having been one attracted to the risk of pain. Maybe that was the many other things going on around his body, but he didn't seem to pay any mind.
"You look so pretty with your tongue lolled out like that." Childe believed it. The tentacle there had since dissipated, leaving his mouth open around nothing but the remnants of Hydro, some leaking from his mouth down the curve of his tongue. It didn't taste like anything in particular, nor did it smell like much, but its odd thickness in comparison to naturally made water fogged his brain. The Harbinger never seemed to realize just how thick Hydro was while fighting.
What frees him of his musing is Zhongli's slowly-breaking moans, looking over to see him bite his lip quickly. "Xiangsheng, I- nngh! -wanna come, please please pl--ease~!" The tiny tentacle lodged inside of his cock held him constantly on the edge, senses heightening more with every lewd squelch of the tentacles moving inside of him. A loud groan from Zhongli signifies his release, even more so with the "Fuck, you can come now," that falls from his lips through pants.
The entire construct around his dick disappears, and the sudden lack of pressure causes him to fall over the edge, cumming more than he recalls even from their more extreme sessions. "Xiangsheng, fu--ck~! Feels... good~ ♡" Childe's exhausted body slumps after this, Hydro tentacles too falling limp, then dissipating into nothingness but the 'wet' status on his body. "Good boy, Ajax." The taller man stands from where he is in the room, preparing a spare handkerchief to dry Ajax's dirtied figure. The sensation is obviously nice, too: although not in an unconscious state, the ginger boy was unresponsive for a while to most but Zhongli's trained hand. He makes sure, thus, to sweep every crevice of his skin, ornamented with freckles most especially prominent in his shoulders, even if there was no more to clean. His partner's comfort was his too.
"Nhh, Xiangsheng, wanna sleep~" Zhongli laughs softly, wiping a stray hair out of Ajax's scrunched up face. "You know that you must bathe, dear. I will make it quick, I promise. Then we can get some proper rest, alright?" The Harbinger worries not to respond, rather submitting once more to the consultant, letting him lift and carry him to the bathroom connected to their room.
The sound of water running pries Childe's eyes open, first adjusting to the light in the bathroom, then to Zhongli's face - who smiles at him - then at last toward the source. The steam from the tub implies that the water is at least above lukewarm, and hovering his hand above the steam too confirms this. However, Zhongli was not one to prefer hot baths. "I don't mind warmer baths, Xiangsheng-"
"No, it is quite alright. This is more for your comfort than my own." The gesture warms Childe more than the steam does, the fuzzy kind of warm that makes your brain feel like it shuts down a little. He welcomes it, hooking his arm over the ex-Archon's shoulders to make his job easier.
At this, Zhongli reaches over to turn the faucet off, taking the liberty of first exposing himself to the slightly-scalding water and then laying Childe on top of him. The ginger grimaces at first before quickly relaxing his muscles at the sensation of the prickling water, leaning his head back into Zhongli's clavicle. A sigh drawls out of his tired lips, and he shuts his eyes for a second to drive his weariness away for a little while longer.
The brown-haired man wordlessly decides to help Ajax bathe, mostly due to his tiredness. "Thanks, Xiangsheng." Zhongli shakes his head. "It is nothing but decency on my part, Childe." The younger huffs in a tired laugh, reaching his arm up to hook it behind the ex-Archon's back, looking up as he does so. "Yeah, but it feels so nice, how couldn't I mention it?"
"Whatever you say, dear." He wasn't joking when he said he'd make the bath quick, practically in and out within 10 minutes or so but still cleaned enough to his sharp eyes satisfaction. Transporting Childe was probably the most difficult part of his endeavour. He wished not to disturb the boy who looked as though he was about to fall into the most comfortable sleep he'd had in years, but sleeping naked in a bathtub isn't the greatest idea either. Luckily, he didn't seem to mind being moved around a little, juxtaposing his usual stubborn demeanour.
With this, the two head back into the room, Hydro having completely left the surfaces as Zhongli had guessed. "Would you like me to dress you?" The Harbinger smiles into his shoulder. "I really don't mind. I just wanna sleep." The consultant takes this as a request to go to bed as is, and gladly accepts, first laying Childe down under the blankets before joining him shortly after. He opts to keep his distance, wondering whether the boy preferred sleeping alone or not.
"Xiangsheng, I don't bite..." Zhongli laughs.
"Right, my apologies." The second he moves closer, Childe entangles himself with the ex-Archon, falling asleep peacefully. Zhongli waits, eyes closed and running his fingers through the Harbinger's hair for a while, before too submerging himself in slumber.