Hello there! Quick (Or not so quick) Author's note here :3
This is my first ever fanfic, so I apologize if any one is OOC. (I have only ever written OC's before) Also, if you would, please leave a review/critique! I'm always looking to improve my writing. If you have any questions, just ask 'em and I'll try to answer it in the next chapter~ Also, I lay no claim to the idea for a Steven Universe Homestuck x-over. The idea came from Ikimaru on Tumblr (AKA Drunk rose district, can't figure out how to link it here
3: ), and I decided to write some fanfic for it. That being said, if she wants me to take this down, I will. This x-over will certainly heavily draw from her art, but I'll probably take a few liberties. (also, sorry about how short this chapter is; I'll try and make the next one longer!)
Also, currently it's mostly fluff, but I do plan on adding some suspense and adventure later :3 Right now's it's just laying the beginning down~

Ars3nicCatnip, out! *Ollies outie*
Disclaimer; I do not own Homestuck or Steven Universe. Credit for the crossover idea goes to Ikimaru

John sighed. The Gems had left about three hours ago, and they still hadn't returned.
The first hour or so had been alright; He had wandered around his home, practicing his Trickster's Gambit, reading out of his Abridged Sassacre's and raiding the fridge (Avoiding any and all Betty Crocker items). But then time had started to drag, and he had anxiously awaited the return of his family members. It never took them this long. He huffed another sigh and slid down off the black living room couch, coming to a rest with his head on the seat.
He took a long look around the room; There was the small T.V, with its cabinet of old movies below it. John smiled at the memories of watching them with his family. Emerald loved all sorts of old movies, and was constantly bringing more home. And there was Rubellite's book shelf, filled with books about wizards, plus her half filled note books with more wizard stories she had written herself.
John lifted his head up as he heard the front door open. He heard familiar voices, and a fluffy, rose colored cat pelted into the room. It leapt into his lap and nuzzled its furry cheek against his chin. "We are sooo sorry for being so long!" It purred, climbing up onto John's shoulder.
"The monster we were fighting turned out to be a lot more powerful than we anticipated." It gave John another rub before jumping up onto the couch. A bright, white light engulfed it as two male figures walked into the room. One of them, a young man wearing black shades, was holding a gold tinted bubble with a nearly cloven blue-green gem inside.
"It didn't take that long." The other one chimed, rolling green eyes behind half moon spectacles. "It took three hours Emerald." The one carrying the bubble said. With a swift downward flick of his hand, the bubble disappeared.
"Oh. Wow." John looked back up at the cat, who at this point had shape-shifted into a young woman with short, curled, rosy pink hair, and a deep pink stone on the back of her right hand. She smiled and ruffled John's short black hair. "I hope you weren't too worried." She said, resting her face in her hand. "Nah, nothing worries John!" Emerald said, plopping down on the floor next to John. He ruffled the young boy's hair, earning him a small smile.
"I wasn't too worried." John said, reaching over and giving Emerald a hug. "What, no hug for me?" The woman said, looking sad.
"Of course you get a hug Rubellite" John tugged her over, embracing them both. "Heeeey, Topaz, get over here! Family hug!" Rubellite said, holding out her free hand. "I've got sensors to fix." Topaz stated, turning back towards the door. "John, did you finish your homework?" He asked, turning his head back. "I got it done this morning Topaz." While John didn't go to a public school, the Gems still gave him homework to do. With a nod, Topaz walked down the hall and left the building. "Topaz and his robots." Rubellite said, leaning back on the couch. She clicked her tongue and shook her head.
"But without Topaz's 'bots, you'd never know when a monster was around!" John said, looking up at the pink gem. "Well then we'd just go back to patrolling." Emerald said. "And have no time for those lame movies you love." Rubellite said, a teasing tone to her voice.
"Hey! Those movies are awesome and you know it!" Emerald stated, adjusting his glasses. "Yeah!" John added. "They're also cheesy." "No they aren't!" "Yes they are." "No way!" "Ye- Hey, where's Frigglish?" Rubellite asked, looking around for the grey cat.
"I think he's outside." John said. The last time he had seen the cat was this morning, before the gems had left. "He's probably down at that girl's house. What was her name? Ruse?" Emerald asked, standing up. "I think it's Rose." "Ah. I'm sure he just meandered down there to say hi. John, why don't we go see if Topaz needs any help?" "Yeah!"

"Emerald tapped a few times in succession on the door to Topaz's workshop. With any luck, the blond gem would hear them over the rap music he often listened to. Topaz opened the door a few minutes later, a wrench in hand.
"Yes?" Topaz asked, his face blank behind his black shades. "We're here to help you!" John said happily. Topaz remained silent for a moment before moving to the side and motioning for them to come in. John grinned happily and walked into the shed, closely followed by Topaz. It wasn't often he was allowed in here. Every time he'd ask, Topaz would say he was too young or that there were too many dangerous things in there. So every time he went in there it was a treat. "How's it faring?" Emerald asked, pointing at the long, staff like rod sitting on top of Topaz's main workbench. A good chunk along the top and been ripped out, exposing all the wiring and what not beneath.
"That monster really did a number on it." Emerald continued what Topaz didn't say anything. He just sat back down and began fiddling with the sensor again. "Woah! That monster did that?!" John said, staring at the giant rip in the thick pole. "Yes. Hand me the soldering iron." Topaz said, holding a hand out. John looked around the messy table top before picking up the tool and handing it to Topaz. "Thanks" Topaz said, turning his attention back to the rod. "Were any of the other sensors damaged?" John asked after another minute of looking around. "No." "Not that we know of anyway." Emerald said, placing another tool into Topaz's other outstretched hand. "No. No others are damaged. If they were, the light on the board would have gone out." Topaz stated, not looking up. John looked around the room before spotting a metal panel that had lots of little lights in it. Out of all of them, only one was out. "Can I help you take it back?" John asked. Emerald looked up. "Sure, why no-"
"You're not old enough." Topaz said before Emerald could finish. "Topaz, he's nearly thirteen!" Topaz looked up at Emerald. "Emphasis on nearly. That is very young for a human, and he should not be going to dangerous places." "We'd be there to protect him!" "But what if something happened? Like with this morning?" "Haven't we taken care of all the monsters in that area?! All the big ones anyway." Topaz held his nose between his fingers. "John, why don't you go see what Rubellite is doing." he said after a moment. Something in his tone told John it wouldn't be a good idea to argue, so he just nodded and left. Neither of the older gems said anything until John shut the door.

You hungry kiddo?" Rubellite asked as John walked into the kitchen, looking up from where she sat at the kitchen table. "Nah." John said, pulling a chair out and sitting down. He stretched out over the table, sighing. With a bright white flash, Rubellite morphed into a sleek pink cat and trotted over the table to sit by John's head.
"Heeey, what's wrong kiddo?" She asked, pawing his hair. "Topaz still doesn't think I'm old enough to go with you three on missions." John sighed, tilting his head towards the cat. "What? Sure you are. And it's not like we'd take you on hard ones at first." Rubellite said, ears shoved forward. "Yeah but Topaz seems really adamant about me not going." Rubellite sat quietly for a moment. After a moment, a feline grin spread across her face.
"Why don't we go by our selves? I know a place that's got some monsters, and they aren't all that powerful." She laughed. "I leave 'em there because they're really not a threat. But we could go there, say, next week? You could practice summoning your weapon." "Really?" John asked, perking up a little. "Yeah! Just don't tell Topaz what we're doing, alright?" Rubellite said, trotting back across the table to her seat. "Got it." Rubellite jumped off the table, gracefully landing on the floor. "I'm going to go find Frigglish; Wanna come?" She asked, looking back up at the child. "Sure. I don't have anything better to do. Except maybe read your wizard fiction." John laughed, getting up. "Hey, don't dis the wizards!"

"First stop, Rose's house!" Rubellite said, thrusting her fist in the air as the two of them walked down the street. Frigglish regularly went and visited Rose, for who knew what reason. Rose didn't mind though; She thoroughly enjoyed the cats company, and had even knitted him a sweater. "I remember the first time we found Frigglish at her house." Rubellite said, smiling.
"She said he'd just wandered into her house, silly cat." She shook her head as she walked up the stone path to Rose Lalonde's home. John looked around the yard while Rubellite knocked on the door. It was neat and clean, with short bushes lining the walkway. After a few minutes, the door opened. "Oh hey! I figured it would be you." Rose said. She shifted to the side as Frigglish trotted out the door, purring. "I found him in the kitchen about an hour ago, silly thing." Rubellite bent down and picked the grey cat up. Frigglish purred and rubbed his chin along Rubellite's shoulder. "Thanks for watching him." She said as Frigglish climbed up and perched on her shoulder. "Anytime.
Oh, hang on!" Rose turned around and went back into her home. She came back a minute later, holding something. "My Mom had him a suit tailored, for what ever reason." She said, rolling her eyes. "A suit?" John asked, accepting the folded fabric from Rose. "Yeah. Mom's... eccentric." Rose said, shaking her head. "Well I'm sure he's going to look very cute in his new outfit. Thanks again!" Rubellite said, turning around to leave. "Bye Rose!" John waved, following the Gem and her cat.

Did an edit so the 1st & 2nd chapters were together~