This is a version where Zim is a human and Dib is an Irken.
This is their designs:



Basically Zim is a huge perverted tease and Dib is just a flustered mess around him.
Dib was working on his new invention, until his Irken sister, Gaz, came down through the futuristic elevator. "Hey Dib, your boyfriend is here." She said, still in the elevator, but with a visitor.
Dib glared at her. "Zim is NO-" He then blushed a soft blue as he noticed Zim behind Gaz. Zim smirked and waved at him, his pink eyes giving off a sinister glint.
Gaz walked off, leaving the two alone. Dib gulped and stopped what he was doing, going to Zim. "H-hey, Zim...you need anything..?"
Zim chuckled and cupped his cheek, his touch warm and calming yet a hint of lust in it also. "Other than that cute, tight space pussy of yours, nothing else~"
Dib blushed more, stiffening. "I- Zim!! You cannot be serious right now..! I'm trying to do something important and your stupid, human hormones just kick in?! You can't stop them??"
Zim picked Dib up and roughly pinned him to his work table, knocking some things off it for room. "Oh shut it, space Boy. I saw you spying on me last night while I was masturbating." He smirked. "I saw that stare you were giving me. That lust filled look of needing my huge cock ramming into your sweet cunt-"
Dib covered his mouth, blushing madly. "O-ok, shush..!! I understand you want to have sexual intentions with me at the moment but I can't! I'm busy working..."
Zim pulled his hand away and kissed it. "You can keep working on it later, space Boy. Why don't you just have some time to relax and enjoy life~" he purred, pressing his now hard, clothed member against Dib's crotch. Dib let out a pleasured sigh, closing his eyes. He looked at Zim and gulped before giving in.
"O-ok...for a little..." He said softly. Zim nuzzled his neck and kissed it softly. "Good boy~ now just relax and let the pleasure take over, ok~?"
Dib nodded softly, letting Zim do as he pleased. Zim was gentle as he took Dib's pants off slowly, making sure to tease him badly. Dib whined softly, hating the teasing as he bit his lip in frustration.
Zim pulled down his own pants an boxers, his member bouncing out and throbbing in need. Dib looked away, not wanting to make eye contact with Zim. He was too nervous to.
Zim noticed this and cupped his face, kissing his head. "Dibby, keep your eyes on mine, ok? You'll be more relaxed and calmed if you do." Dib nodded softly and smiled, relaxing as Zim rubbed his thighs. "Fuck, Dib...you look so beautiful. Your eyes shine like space, the twinkle in it like the stars...your small body looks so fragile and beautiful like a flower...I love it. I love you..."
Dib teared up from all the praises, covering his face. "T-thank you, Zim..." He said softly. Zim grinded his member on Dib's now wet entrance, being very gentle. Dib whimpered in fear, scared for this was his first time with Zim. He always made out with him or got to 2nd base with him but never went all the way with him.
He then perked up when he felt his hands being held by Zim. Zim pinned them above his head gently, smiling softly. "Deep breaths, ok? You'll be fine."
Dib nodded softly and did so, soon calming down. "Sorry...just first time jitters." Zim kissed his head and rubbed his member on his entrance again. "I understand, Dib. Now, you ready? I'm gonna push in."
Dib nodded again and spread his legs more, ready for pain to overcome him but...there was no pain. Zim pushed in slowly, hoping not to hurt Dib. Dib shivered from pleasure, closing his eyes. Zim rubbed his thighs more, as he let go of Dib's hands. "Does it hurt..?"
Dib shook his head. "I-it feels amazing..~" Zim perked up and smirked. "A masochist maybe~" He then grabbed Dib's waist and started to thrust fast, panting softly. Dib moaned loudly in pleasure, shocked on how wonderful it felt. "O-oh stars, Zim~! H-how does this f-feel so good~?!" He moaned out.
Zim chuckled slightly and bent down, kissing his neck. "You're as tight as I imagined, baby~ you feel so good, squeezing around my cock~" He then but down hard on Dib's neck, making Dib tear up from pleasure. Dib then felt something coming, wanting Zim to go rougher. "H-harder, please~! I-I need you to ram i-into me~!!"
Zim hugged Dib's waist, thrusting faster and getting deeper into him, a small bulge now poking out of Dib's stomach. Dib moaned louder, arching his back as he wrapped his legs around Zim's waist. He then cried in pleasure as he came on Zim's member.
Zim pulled out and smirked as Dib whined loudly. "Wh...why'd you st-stop..?" Zim sat in Dib's work chair and pulled Dib into his lap, slamming Dib down onto his member. Dib screamed in pure pleasure, hot tears streaming down his blue, blushing face as he threw his head back.
"Your screams are so wonderful, space boy~" Zim purred before he hugged Dib's torso tightly as he thrusted up, grunting slightly and slamming Dib down onto him, his face buried in Dib's chest. Dib was now screaming, crying, and drooling, basically a huge, moaning mess. He came once more, feeling Zim get rougher and deeper into him.
Zim bit Dib's shoulder hard, making Dib bleed a blue, sweet tasting blood. He sucked on the bite mark and swallowed some blood, making a dark hickey on Dib before pulling away and kissing Dib deeply. Dib kissed back, closing his eyes and gripping onto Zim's shoulders.
Zim pulled away from the kiss and thrusted as roughly as he could, making Dib scream even louder. If Gaz couldn't hear them at first, then she probably did now. Zim chuckled slightly from how loud Dib was before slamming Dib hard onto his member and filling him to the brim. Dib gasped as he felt the warm, thick substance filled him up and his tongue lolled out of his mouth, cum now dripping out of his entrance and onto the floor.
Zim soon finished and pulled out, cum spilling from Dib's entrance. Dib panted heavily, leaning onto Zim as he felt tired. Zim panted heavily as well, his member now going limp. He smiled and cupped Dib's cheek. "That was..fucking...amazing..."
Dib looked at him with tired eyes, nodding in agreement. "I...wanna d-do it...again..." Zim chuckled and smiled, catching his breath. "Maybe later, space Boy. We both need some sleep." Dib nodded softly and hugged Zim, closing his eyes. "I have a bed down here...it's for small naps when I'm staying up late for studying..." He panted. Zim picked him up and pulled his boxers and pants up, leaving Dib pantless. He carried the smol alien to the bed and laid down, resting Dib on top of his chest.
Hope y'all like it, it's 4 am now for me so good night and goodbye
YOU ARE READING
Zadr and Tagr oneshots (Discontinued)
FanfictionJust Zim being a shit head, Dib being that paranormal addict, Gaz being a game addict, and Tak being an asshole. Oh and Gir just chillaxin.