Author's Note: Hello everyone! So the idea for this fanfic came from the absolutely amazing song Shiver Shiver by Walk the Moon, a band I've been obsessing about lately, and if you haven't heard it, go check it out! I coincidently just finished City of Lost Souls, and needed some happy!Malec to cheer me up. So here is my creation, I hope you guys enjoy! Constructive criticism is welcomed, considering this is un-beta'd and all, and it's my first time writing smut! This will probably be a two-parter, so stay tuned! :)

Disclaimer: All characters belong to the wonderful Cassandra Clare and The Mortal Instruments series, and I am in no way affiliated with her!

Shiver:

The soft click of the lock turning in Magnus' apartment woke him from his fitful nap on the couch. Magnus had been waiting up for Alec, but as usual, the dark haired Shadowhunter was late. A snap of his fingers, and Magnus had lit up the entire room in seconds, frightening Alec as he crept through the front door.

"You're late." Magnus stated, cat eyes glaring at his lover when Alec had shut the door.

"I am so sorry, Magnus. Hunting those Drevak demons took longer than I expected, and Jace was being a pain in the ass, shocker there." Alec muttered the last line, narrowing his eyes in annoyance at his parabatai. Magnus stared at Alec for a few moments, looking him up and down and then just smirking at the Shadowhunter.

"Come here, let me make it up to you," Alec suddenly whispered, a fleeting look of shyness fluttered across his face, but was gone almost as quickly as it had appeared. Magnus quirked his right eyebrow in disbelief, Alec was certainly never this forward with him...it was a major turn on. Slowly, Magnus rose from the couch and preceded to glide towards his boyfriend, stopping to stand a few inches away from him. Alec reached out and closed the distance between them by reaching out his hands and wrapping them around Magnus' hips, quickly turning them both around and pressing his boyfriend against the wall. "Somebodies impatient," Magnus chuckled out, slightly winded. Alec just leaned against the warlock, pressing his lips gently to his ear.

"I love you," he whispered hotly before trailing his lips lightly down Magnus' jawline, stopping to press a kiss at the hollow of his boyfriends throat. The warlock's head rolled back, making a soft thunk against the wall as he moaned out "I love you too, Alec." Magnus swiftly began stripping off Alec's coat and then unceremoniously dropping it onto the floor. Alec turned his face up towards Magnus, melding their lips together in a heated frenzy. The kiss was a clash of teeth and tongue, but neither seemed to care so much as they hurriedly and clumsily pushed their way to the warlock's bedroom. Once Magnus had opened the door, he unlatched his lips from the shadowhunters' and pushed him onto the canary yellow bedsheets, standing still for a moment to drink in the sight of Alec panting and disheveled. The warlock crouched down and slowly slid across Alec's body, finally meeting him and encasing their lips together. Alec quickly pulled away all the while breathing heavily. "I thought this was me making it up to you, and not the other way around," he breathed. Magnus purred, his cat eyes dilating even further. "I'm all yours, love," he said, grinning. Alec smirked and expertly flipped Magnus onto his back, swiftly latching his lips back to the other mans neck and pressing open mouthed kisses down his chest. Once the shadowhunter had gotten to the edge of Magnus' pants, he paused and looked up to catch the glance of his lover's eyes. "Please, love. Now is not exactly the time for teasing," Magnus panted, chest moving up and down rapidly, a pool a warmth forming in his lower abdomen. Alec just grinned and quickly unbuttoned and pulled down the warlocks pants, and much to his suprise and delight, finding that Magnus wasn't wearing underwear. Magnus moved his legs, quickly shucking off the remaining cloth and surged up to hook his lips back together with Alec's, his hand sliping under his boyfriends black shirt and pulling it off of him. Alec quickly sat up, still straddling Magnus, and unbuttoned his pants. He moved forward so he could kick the material off, letting out a groan when his erection met his lover's. "So," Alec whispered against Magnus' ear, "what would you like me to do?" Magnus moaned at the seductive tone in his boyfriends voice, reaching his hands up to cup Alec's face so he could look into his eyes. "I want you to fuck me," Magnus said. Alec's eyes widened slightly before nodding his head. "Alright," he whispered, bringing his face down to the warlocks neck and pressing light kisses down his neck and lightly over his chest, only stopping to wrap his tongue around one of Magnus' nipples. Magnus moaned and arched into the heat of Alec's mouth. Alec raised his head to catch his boyfriends eyes, smiling at they eye contact, before leaning back down and traveling lower down Magnus' body.