A/N:
What? An A/N at the top of the chapter this author has gone insane! Joking... this is just to let you know that there will be a tiny spoiler about Supernatural if you haven't gotten past season four or five or if you're planning to watch the show because you aren't already. Just to let you know that it's really tiny and at the end of this chapter but if you'd rather not have it spoiled then you may skip the end of this chapter, but I do feel like it's the best part of this update so you may miss out. Don't say I didn't warn you! Besides from that I hope you enjoy the update! :)
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Chapter Twenty One – Ghostbusters.
Alec sighed as he curled himself up into a tight ball on the sofa, the sounds of Magnus singing in the shower something that sounded suspiciously a lot like 'Single Ladies'. Alec chuckled quietly to himself as he  switched on the television before settling on a channel that was showing the first movie of the Ghostbusters films. Alec relaxed further into the back of the sofa, his hands buried deep into the pockets of his hoodie. Despite it being filled with holes, some that could even fit the majority of his fingers through, and faded to the point where it was a very ugly grey rather than the pitch black colour it had once been, it was still Alec's favourite hoodie. He played with the frayed hem of one of his sleeves as the film played, the characters moving about onscreen as  a ghost began to play tricks on an elderly librarian.

Magnus finished his shower as he sung the last line of lyrics to 'Single Ladies' as he switched off the water. Wrapping a towel around his head and waist he stepped out of the steaming bathroom, wet feet padding silently across the floor towards his and Alec's bedroom. As he reached the door, his hand resting on the door handle, he paused, the sound of Alec's laughter catching him unaware. The warlock glanced over his shoulder towards the sofa where Alec was circled up into a ball, his hands buried deep into the pockets of his hoodie and his face split into a laughing grin. Smiling to himself, Magnus clicked his fingers ending up a pair of black pyjama shorts and a tank top that read: 'My boyfriend hunts monsters in a '67 Impala', losing the will to head into his and Alec's bedroom to get dressed at the sight of Alec lying on the sofa watching a film.

Fixing the towel on top of his head Magnus made his way towards the sofa, carding his fingers through Alec's dark locks. He pressed a light kiss to the top of Alec's forehead. Alec smiled his eyes flicking once up towards Magnus before turning back to the film that was playing on the television screen. He sat up, allowing Magnus to sit down beside him on the sofa before laying his head back down in Magnus's lap. Magnus continued to card his fingers through Alec's hair, his attention much like Alec's caught on the screen laughing and making little jokes with Alec as the film progressed. A small tug on his t-shirt caught Magnus's attention and he looked down to find Alec staring at the font in confusion, his head tilted a little to the side as his fingers traced each letter before his mouth quirked up into a smirk and he sat up, looking right into Magnus's eyes with an eyebrow raised. "Oh really?" Alec questioned, his fingers now back to playing with the hems of his sweater.

Magnus chuckled to himself as he read over the font on his tank top, snatching hold of one of Alec's hands a mischievous glint in his cat's eyes. "Oh yeah! He's pretty good looking to you know. He has got these gorgeous candy apple green eyes and short golden brown hair which always sticks up and of course don't even get me started on the music taste." Magnus stated, teasingly watching Alec's every reaction. Of course he wasn't expecting a look of indignation to flash across the young Shadowhunter's face. Alec squinted his eyes in fake indignation before playing along with Magnus's game, "I think you're a little confused Magnus. Last I checked I was the one dating Dean Winchester, I do look more like Castiel after all and we all know what that relationship is secretly like." Magnus sent Alec a look of shock, "Well then who am I dating? This is hardly fair Alexander, you're stealing all the good men away from me!"

"That's not true. There's still Lucifer if you can get him out of the Cage, Sammy, Cas and Gabriel. Or even Adam." Alec supplied shrugging his shoulders at the warlock in front of him. Magnus rolled his eyes playfully, "I guess I better go make that trip into hell then. Adam always was more my type. Besides we all know that Sammy and Gabriel are a thing. You can't unship Sabriel."
"True," Alec laughed, "What about Cas though? He's all on his own now that I've stolen Dean away." The young Shadowhunter let out a sigh, "I suppose I bet let him have Dean back after all... Destiel is better than Sabriel!" With that Alec jumped off the sofa and ran, locking himself in one of Magnus's spare rooms before the warlock even had chance to register what he had just said. Magnus sat in shock on the sofa for a moment before the words sunk into his brain and he leapt to his feet, pounding a fist on the locked door that Alec had disappeared behind.

"Alexander! You take that back! You take that back right now! Don't you dare trash talk my OTP!!" Magnus yelled, hitting his fist as hard as he could against the locked door. "Besides your OTP hasn't even kissed yet!!"
"Neither has yours!" Alec yelled back, his voice slightly muffled from the door and his own laughter. "Everyone knows Destiel will happen one day though! Sabriel? Nah, not so sure!" The young Shadowhunter burst back into a fit of laughter as Magnus continued to knock on the door, either trying to break his way in or get Alec to unlock the door. "But Sammy and Gabriel are so adorable together!" Magnus called.
"Not as cute as Dean and Cas!" Alec called back, gasping for breath in an attempt to stop his fit of laughter.
"No!"
"Yes!"
"No!"
"Yes!!"
"Stop ruining my ships Alexander." Magnus said, his voice threateningly low almost as if he was being overprotective of his OTPs, as he sank to the floor with his back against the door his arms curled around his knees. "Only when you stop trying to ruin mine!" Alec laughed, "I'm sorry to say this but I have evidence about Destiel becoming canon as an OTP in the future! Whereas with Sabriel there's none!"
"And what's that?" Magnus asked.
"THE BEES!!"