Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/844148.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      Multi
  Fandom:
      Teen_Wolf_(TV)
  Relationship:
      Derek_Hale/Erica_Reyes, Erica_Reyes/Isaac_Lahey/Jackson_Whittemore/Vernon
      Boyd
  Character:
      Derek_Hale, Peter_Hale, Erica_Reyes, Isaac_Lahey, Jackson_Whittemore,
      Vernon_Boyd
  Additional Tags:
      Werewolf_Sex, Orgy, Gangbang, Alternate_Universe, Alternate_Universe_-
      Canon_Divergence
  Stats:
      Published: 2013-06-15 Words: 510
****** An Alpha's Second ******
by gracefulally
Summary
     Derek catches his betas in the middle of Erica's gang bang, and he's
     none-too-thrilled...
Notes
     Alternate Universe in which Erica and Boyd don't run and Jackson
     sticks around, i.e. Derek has a pack. Prompt: Your character catches
     mine having sex with someone else.
“What’s that?” Derek asked quietly as he looked up to the darkened apartment
building where he lived. He could hear his betas growling, and he lived on the
tenth floor.
Peter rolled his head with a side-long look as soon as he climbed out of the
Camaro. “If you don’t know what that is—” he began and Derek took off before
Peter could finish.
Derek didn’t spare time waiting for the elevator, and swiftly used acrobatics
to scale the fire escape to pull himself onto the landing outside of his living
room window. He froze at the sight before him: Erica surrounded by Isaac, Boyd,
and Jackson, all of them nude and all of them in varying degrees of
transformation.
Erica was in some balance between standing and sitting on Isaac, who was laying
on the coffee table, with his grip around Erica’s throat as he fucked her from
below. She couldn’t sit because Jackson kept tugging her back up by the length
of chain binding her arms behind her as he slammed into her ass. Erica, though,
had her yellow eyes focused on Boyd, who stood in front of her and carefully
held her hair as Isaac fucked her mouth on Boyd’s dick. Boyd looked speechless,
and his mouth dropped open when Isaac forced her until her nose was pushed up
against Boy’d lower belly. Erica’s lips curled just slightly in a smile before
she bucked with a moan when Jackson tugged on the chain and set into a pace
that had her yanking her mouth off Boyd to bare her teeth at Jackson before
Isaac was grabbing her throat again.
Having seen enough, Derek easily climbed up to his bedroom, let himself inside,
and set off the proximity alarm in the process. He heard their growling,
snapping, and scrambling in the room below, and scowled as he came out on the
spiral stairs before flipping over the side and landing with a heavy thud on
the concrete floor.
“Erica stays,” Derek said in a loud clear tone. He raised his red-eyed glare to
see them all staring at him fearfully. He lunged and roared a snarl at the boys
who dispersed to different corners of the apartment, except for Isaac who
nearly collided with Peter, who was stepping off the elevator.
Derek sneered at Erica and saw her fearfully quake under his gaze before he
reeled back the wolf and stood to pull off his shirt. “Put this on and come
with me,” Derek said as he held out the t-shirt to her. He tried to keep the
hurt out of his tone, but it must’ve been there because Peter didn’t let it go
unchecked.
“Weren’t you just saying that Erica could be your second and she’d never
undermine your authority?”
“Shut up,” Derek spat in Peter’s direction before helping Erica up and leading
her toward the spiral stairs to head up to his bedroom. He hadn’t yet told her
that much, but clearly, she needed a reminder of who she had to answer to for
her actions.
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