16 Works by heartuser
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“If you continue acting like this,” he says, stepping closer until he looms over you, green-gold eyes pinning you in place, “I’ll have to take care of that attitude of yours myself.”
You gasp, your whole body suddenly going hot, lust taking your breath away. Your frustration with him and your desire for his attention, anyway you can get it chase each other around in a game of cat and dog until all you can think is pleasepleaseplease.
Zayne crosses his arms, tight black leather of his uniform pulling taut around his biceps with the motion, staring down at you with a quirked brow. The look in his eyes, it’s reminiscent of the way you’ve seen him stare down armies, completely certain of his victory.
“You couldn’t even if you tried.” You bite back, knees threatening to tremble.
Zayne’s eyes darken and he smirks at you.
Oh you’ve really done it now.
or: mc has an attitude and zayne fucks it out of her.
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i kiss the sun's mouth and dissolve by pietha (heartuser)
Fandoms: 恋与深空 | Love and Deepspace (Video Game)
11 Dec 2025
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You would never have believed the God of Annihilation to be a patient man, but he looks down at you now like he has all the time in the world.
Time that you do not have.
“Come now, goddess. You begged me for my power did you not? Now take it.”
you, the goddess of navia, have been injured protecting your home and, depleted of divine power, you summon the one god capable of healing you - your ex.
Series
- Part 7 of zaynemc smut oneshots
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tell me you got something to give (i want it) by pietha (heartuser)
Fandoms: 恋与深空 | Love and Deepspace (Video Game)
25 Nov 2025
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You smirk up at him, place a hand on his chest, and drag a finger down his abs as you scold him, “Dr. Zayne! You wouldn’t have picked this room with ulterior motives, would you?”
You love the way his breath stutters when your nail graces over the sensitive skin of his lower stomach.
He shivers, a blush traveling over his cheeks before he smirks back, dipping his head to your ear.
“With the way you’re touching me now, it seems to me that you’re the one with ulterior motives.”
or: zayne eats mc out at the hot spring. that's it, that's the fic.
Series
- Part 6 of zaynemc smut oneshots
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“Don’t worry so much about me T, you know I’ve got a great doctor.”
“Oh? That super handsome one you secretly have a crush on?” She wags her eyebrows at you, bursting out laughing when you choke on your drink.
You splutter and wipe your face with a napkin, covering your rising blush. “I don’t have a crush on him. We’re catching up, that’s all. I told you already I knew him from when we were kids.”
“Suure, he’s just a childhood friend. That’s why you start pumping the room full of lovey-dovey pheromones every time you start thinking about him, right?”
or, after overworking for months, your omega is beyond stressed and it's starting to impact your health. you need an alpha to help soothe her and the only person you want is Zayne.
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the closest to heaven that i'll ever be by pietha (heartuser)
Fandoms: 恋与深空 | Love and Deepspace (Video Game)
02 Sep 2025
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“I’m- ah, ah - Zayne I’m still cumming! - ”
“You think that I look good?” His voice is low, silk brushing over sensitive skin.
“There is nothing in this world more beautiful than you falling apart for me.”
or, the birthday sex that zayne deserves!
Series
- Part 4 of zaynemc smut oneshots
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“Different muscle groups,” he murmurs as he kisses your neck, voice strained.
He hisses when you pass your thumb over his sensitive tip, nips at your skin in return, “Require different massage techniques. Sometimes…being skillful makes all the difference.”
or, what really happened in silent poem!
Series
- Part 5 of zaynemc smut oneshots
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one more than infinity by pietha (heartuser)
Fandoms: 恋与深空 | Love and Deepspace (Video Game)
24 May 2025
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Would he do the impossible with you? Could you two escape the infinite paths ahead of you and make one more, one of your own?
or, how that conversation in the graveyard should have ended.
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a quiet kind of winter magic by pietha (heartuser)
Fandoms: 恋与深空 | Love and Deepspace (Video Game)
25 Feb 2025
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in which, you tell zayne a fairy tale from your childhood!
Your arms tightened around his neck as you laid your head against his shoulder, memorizing the steady rise and fall of his breathing, the sound of his heartbeat.
“Together?” you echoed, your own voice full of emotion, an unspoken but unnecessary question hanging in the air.
Zayne pressed a gentle kiss to the crown of your head, his lips lingering as he whispered, “Always.”
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in which, you try to convince zayne to break his strict morning routine and to stay in bed with you instead!
You could tell he was on the edge of breaking and decided to go for it. All or nothing.
“Zayne,” you whispered, your voice barely audible over the pounding of your heart. “Please. I need you.”
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laughter is the best medicine by pietha (heartuser)
Fandoms: 恋与深空 | Love and Deepspace (Video Game)
17 Feb 2025
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in which, greyson and yvonne realize they've never seen zayne laugh!
“Why did the scarecrow win an award?”
Zayne blinks, glancing up at her. His lips twitched for a moment, but his expression remained composed.
“I don’t know,” he replied, his tone dry. “Why?”
“Because he was outstanding in his field!”
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in which, zayne accidently eats some alcoholic chocolates!
“So you like seeing me like this?” His tone is velvety, reminiscent of the deep, low timbre he uses when your nights together stretched long into the hours before dawn and it has you clenching your thighs in his hold.
“It’s not fair,” he rumbles, cutting your thoughts off. His hands slide to your thighs and in one smooth motion, he scoops you up and sets you on the edge of the desk. Your skirt rides high on your hips, the cool wooden surface contrasting sharply with the heat of his body between your legs. A firm hand under your chin guides your gaze to him.
“I want to see you lose control, too.”
Series
- Part 3 of zaynemc smut oneshots
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my love, my darling, my honey by heartuser, pietha (heartuser)
Fandoms: 恋与深空 | Love and Deepspace (Video Game)
16 Feb 2025
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in which, you decide to test if zayne likes the pet names you call him! (spoiler warning: he does)
“You’ve called me a lot of names, you know,” he said into your neck, his deep voice making you shiver.
“My love.” His lips brushed your pulse point, soft and deliberate.
“Handsome.” A kiss again, this one lingering just enough to leave you breathless.
“Sir.” -
be mine, valentine by pietha (heartuser)
Fandoms: 恋与深空 | Love and Deepspace (Video Game)
11 Feb 2025
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in which, zayne finds mc's surprise for him for valentine’s day!
The moment you stand after dinner, your knees threaten to give out beneath you.
Zayne catches you immediately, his arm curling around your waist, keeping you upright as he guides you toward the coat check. His scent - masculine and sweet - wraps around you, making your head swim. The combination of his warmth, his closeness, and the relentless pleasure thrumming inside you leaves you burning from the inside out. You need him.
You barely register the quiet murmurings of conversation around you, the distant clink of glasses from the restaurant’s bar, the muffled footsteps of the staff moving efficiently through the space. Everything else fades beneath the sensation still vibrating deep inside you.
Then, without warning, it intensifies.
Series
- Part 2 of zaynemc smut oneshots
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in which, zayne finds out mc has a praise kink!
He tilts your head back, pulling a gasp from your lips as your head bumps into his chest, forcing you to make eye contact with him as he looms over you.
He was all you could see, maybe he's all you’ve ever seen, those gold-green eyes catching yours, stealing the breath from your lungs.
“I asked you a question,” he pressed, his firm tone sending heat pooling low in your belly.
“You’re going to have to tell me what you want, my love.”
His hand slides from holding your chin back to the sides of your neck, fingertips tracing light patterns along your sensitive skin, teasing, until you shiver.
“Otherwise,” he said, the corner of his mouth curling with knowing amusement, “how am I supposed to please you in return?”
Series
- Part 1 of zaynemc smut oneshots
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you can't deny how much you need me by pietha (heartuser)
Fandoms: 恋与深空 | Love and Deepspace (Video Game)
18 Nov 2024
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“Not like that.” His voice has a rich, almost teasing rumble to it as he adjusts his legs, closing them and shifting forward on the couch. He looks up at you expectantly, a silent command in his gaze. Heat blooms in your cheeks as you realize what he wants.
A swell of embarrassment rises in your chest, making your cheeks burn as you picture yourself draped over his knee, vulnerable and exposed. You bite your lip, torn between hesitation and something undeniably tempting.
“Zayne…” You can’t keep the whine out of your voice, and the sound only makes the blush creep up your neck further. He lets out a soft, indulgent chuckle, clearly amused by your reaction.
“Come here, baby,” he murmurs, his voice low and soothing. Tempting. “Don’t you trust me?”
or, what happens when Zayne catches you in a lie and realizes you're going to need a different kind of reassurance.
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where i end and you begin by pietha (heartuser)
Fandoms: 恋与深空 | Love and Deepspace (Video Game)
30 Oct 2024
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After days of Zayne being busy with work and some encouragement from Tara, you plot to finally get some quality time in with him. It goes wrong almost immediately.
His voice comes out rich and deep, resonating against you as he murmurs, “Is this what you wanted?”
The low timbre of his voice sends a warmth through you, a subtle vibration that makes you melt even more for him, feeling undeniably lucky.
You nod, a slow, satisfied smile spreading as you whisper, “Yup. My Zaynie, all to myself.”