Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/398337.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      M/M
  Fandom:
      The_Avengers_(2012), Thor_(2011)
  Relationship:
      Loki/Thor
  Character:
      Thor_(Marvel), Loki_(Marvel)
  Additional Tags:
      Incest
  Stats:
      Published: 2012-05-05 Words: 965
****** Your Changing Asgardian Form ******
by maybelater
Summary
     Loki helps Thor with his problem.
Notes
     Thanks to neathsunnyskies for the beta.
     Originally written as comment fic for lolafeist, who wanted Loki
     teaching Thor how to deal with his arousal. With blowjobs.
Loki quietly walked into Thor’s room.
Thor had shut himself inside three days ago and refused to talk to anyone.
(Odin had asked Loki to check on Thor, who’d refused to even speak to their
mother.
“He trusts you,” Odin had said. “And if he does not tell you, you can convince
him to.”)
Loki had obviously accepted the challenge. He’d had a suspicion about Thor’s
situation anyway.
“Is there something troubling you, brother?”
Thor avoided Loki’s gaze and subtly shifted the helmet on his lap. “No, there
is nothing that troubles me.”
“Are you sure about that?” Loki stepped closer to Thor, who shifted his chair
further back.
“Yes?” said Thor uncertainly.
Loki kept walking forward until Thor backed his chair all the way into the
corner. He leaned over Thor until he was inches away from his face. “You have
the whole of Asgard worried about you. Mother wept when you did not show up to
the feast last night. Everyone knows you are not one to miss a good feast.”
Thor swallowed audibly. Loki watched his throat work. “I have a… a problem.”
“Do you? What sort of problem?” Loki rested his hand on top of Thor’s, stroking
gently, soothing.
“I do not know. It has never happened to me before.”
“Tell me.” Loki’s hand stilled on Thor’s.
Thor swallowed again and looked away from Loki. “I have to show you.”
Thor closed his eyes and moved the helmet from his lap, knocking Loki’s hand
away.
“Oh, that is a problem.”
Thor opened his eyes slightly and whispered, “What is it, brother? What is
wrong with me?”
Loki brushed Thor’s hair away from his forehead. “My dear Thor, do you ever
attend your lessons? It means you are ready to, ah, lie with a woman.”
Thor banged his head back against the wall and said, “A woman? Whatever for?
Why will this thing not just go away?”
Loki sighed, grasped the helmet still clutched in Thor’s hands and pulled it
away, setting it on the floor. “It requires some… attention, Thor. Until you
are ready for a woman’s touch, you will have to attend to yourself, I’m
afraid.”
Loki brushed his hand along Thor’s thigh and watched as Thor shuddered.
“Loki -- brother,” Thor said nervously. “What do you mean by attend to myself?”
Loki smiled as he walked his hand further up Thor’s thigh and settled it on
Thor’s hip, slowly stroking his thumb over the swell in Thor’s lap. His smile
widened when Thor gasped and moved his hips up, trying to get closer to Loki’s
hand.
“Now, Thor,” Loki said, leaning in to kiss Thor’s forehead. “I can show you
this time. But on one condition.”
Loki grasped Thor more firmly. Thor groaned out, “Anything. Anything.”
“You will go to your tutor after this and ask him to show you Your Changing
Asgardian Form.”
Loki squeezed Thor’s cock again through the cloth of his trousers until Thor,
gasping for breath, said, “Yes, I will, I’ll go to him. Just, please, brother.”
“Do you swear?”
Thor closed his eyes and nodded. “I swear.”
Loki knelt between Thor’s thighs and reached under Thor’s chest plate,
searching for the waist of his trousers. He pulled down the fabric enough to
expose Thor’s engorged cock. Loki took Thor’s cock in one hand and heard Thor’s
low groan above him.
“Brother,” Thor said in a shaking voice. “What are you doing to me?”
“Relax, Thor Odinson. Lie back and think of the Nine Realms.”
Loki leaned into Thor’s lap and put his lips around the head of Thor’s cock,
using his free hand to still Thor’s hips. Loki sucked gently and gazed up at
Thor. Thor’s hands moved uselessly on the wall behind him, trying to find
purchase, and his chest heaved with ragged breaths.
Loki sucked Thor’s cock further into his mouth. He moved his hand from Thor’s
cock to the exposed skin of his stomach, but stilled when he heard the faint
rumblings of thunder outside, mingling with the crash of the ocean against the
castle walls. He pulled his mouth off Thor’s cock and, gripping Thor again,
asked, “Did you summon this storm?”
Thor groaned and looked down at Loki, his eyes dark. “I did not mean to. I
believe this is because of, well...” Thor gestured towards Loki’s mouth and his
own cock.
“You mean to say I caused you to summon thunder?”
Thor scowled and crossed his arms over his chest. “Yes! Now, if you please,
would you finish?”
Loki smirked and said, “As you wish, brother.”
Loki took Thor back into his mouth, dragging his tongue around the head. Loki
worked Thor’s cock as the thunder swelled outside. He slipped a hand under
Thor’s chest plate and brushed a thumb over Thor’s nipple, just as hail began
to collide with the windows, dropping into the violent ocean below. Loki's nail
caught Thor's nipple sharply, just as he pumped the base of Thor’s cock,
sucking hard. Thor came, with a giant clap of thunder, down Loki's throat.
“Loki?” Thor whispered several moments later, trying to regain control. The
storm slowly settled outside as Loki stroked Thor’s hair. “Did your tutor teach
you this?”
“This? No, this I learnt from someone else,” Loki said, smiling. “There is more
I can show you, once you visit your tutor.”
Thor nodded and Loki leaned in and slid his lips over Thor’s forehead.
“However,” Loki said, “I do believe, brother, that if you cannot learn to
control yourself, you may flood Asgard. Odin will be less than pleased if the
castle is filled with water.
“Now, I must tell Mother your problem has been resolved. I shall see you at the
feast tonight.” Loki winked at Thor and turned, walking out of the room.
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