Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/8050405.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      F/M
  Fandom:
      Harry_Potter_-_J._K._Rowling
  Relationship:
      Harry_Potter/Ginny_Weasley
  Additional Tags:
      Voyeurism, Masturbation, Age_Appropriate_Use_of_An_Invisibility_Cloak
  Stats:
      Published: 2016-09-16 Words: 1453
****** Benefits of An Invisibility Cloak ******
by InnocentPen90
Summary
     If I had the chance to be invisible, I’d peek on girls. No reason why
     Harry Potter with an Invisibility cloak should be a saint.
Notes
     You've all wondered what you'd do if you were invisible right?
This was it. He’d been planning this for a week and quite frankly, mustering up
the courage to carry out the mission. If he was caught, the consequences would
be terrible. Almost to terrible for him to imagine. The mission? He was going
to use his invisibility cloak to spy on Ginny Weasley having a shower.
Was it the most moral thing to do the the daughter of the family who had taken
him in and treated him like their own? No. It was not. But it was all Ginny’s
fault anyway.
It had all started with that damn dinner. The night that Harry had arrived at
Grimmauld Place. When the whole discussion about Voldemort had ended everybody
had decided to clear the table, meanwhile Harry had been thrust another plate
of food because Molly thought he was skinny.
Anyway, he was peacefully eating and Ginny had come to grab a platter in front
of him. She was on the opposite side of the table, and she had to reach across
the table to get it.
As she did so however, Ginny gave and unrestricted view down the front of her
top. And to Harry’s surprise, he’d got an eyeful of her unfettered pert teenage
breast, topped by dark pink nipples. He immediately started choking on his
potatoes and Ginny hurried around to help him. Her help was the Heimlich
maneuver and all Harry remembered was her firm mounds pressed against his back
with a thin layer of cloth to separate the heavenly Weasley hills from him.
Since that night he’d done nothing but obsess over Ginny’s breasts and shoot
copious wads of cum into his shorts after dreaming about it. Sharing a room
with Ron was hard as he always gave him knowing looks as he peeled the front
his shorts from his skin, wracked with guilt he was thinking such lewd thoughts
of his best mate’s sister. At other times it was torturous as it became obvious
that Ginny Weasley was not a big fan of bras, and in that drafty house, her
nipples were always poking out of whatever top she wore.
In a curious role reversal three years on from the first time he saw her
however, Harry was the one sent fleeing out of whatever room she entered.
Desperately trying to hide the constant erections which he had to rub out when
he caught sight of her breasts.
Harry was sure that magic must have been involved in the construction of the
house, otherwise the plumbing would have been clogged with his frequent bouts
of right handed tango.
This was the night. They’d just finished dinner and Harry knew that the
inhabitants of the house usually gathered in the living room for some after
dinner conversation. Hermione would work on her summer homework and be lost to
the world while Ron and the Twins would play chess or exploding snap.
None of them would miss him as he usually just sat in the corner absorbing the
chatter. This night would be different. Quietly making his way up to his room
he retrieved his invisibility cloak and made his way to the bathroom.
It was a rather big room with marble flooring and out fittings. A rather
ostentatious gold trimmed mirror hung on the wall. Nothing but the best for
House Black his godfather had once said with a sneer.
It was big enough to hold a powder table and seat between the toilet and the
shower area. Magic was rather nifty as there was a specific charm to ensure
water did not land out side of the shower area, thereby negating the need for a
shower curtain. All in all, it meant that Harry would have an uninterrupted
view of Ginny. And that was something he was eager to see.
He positioned himself at a convenient spot and waited patiently. Before long he
could hear Ginny’s footsteps nearing the bathroom. He watched her enter,
placing her clothing on the table before closing and latching the door. Ginny
peered at her reflection and Harry wondered if the girl realised how gorgeous
she was. There was a hint of Black in the set of her lips and the fire in her
eyes. She took off her hair clip, carding her hands through her hair to loosen
it.
She then started to take off her clothes, pulling off the jumper she had been
wearing. Ginny’s clothes rid up and Harry saw the frayed frills of her panties
at her waist. Harry was half hard already and the most he’d seen was her toned
abdomen and navel. Harry secretly wanted to fill it with his cum. She then
pulled of her t-shirt, exposing her breasts to Harry in all their glory. He
immediately went from half mast to full. She turned to the mirror smushing her
tits together before giving herself a kiss. She giggled slightly.
Harry wondered if all girls did that. Kind of weird if you asked him. She then
cupped her breasts, pushing it up. Ginny turned this way and that before
releasing her bountiful treasures. She then hooked her thumbs into her waist
band and pulled her pants and underwear down.
Harry almost came on the spot when she bent over to remove her feet from her
clothes. The pale globes of her arse were open to his perusal. He could even
make out her muff, a few wispy red hairs visible. He wondered if she took care
of the hair below as well as the hair above.
He noticed his hand had drifted to his penis without noticing it and was doing
a very good visual definition of the euphemism ‘choking the chicken.’ He eased
his hand off and closed his eyes thinking about various quidditch plays.
Ginny walked into the shower, turning on the taps, and soon was under a hot
steaming spray. Harry watched as she lathered up her body, soaping up her arms
and legs slowly, before moving on to her breasts and her taut stomach. It was
undeniably the most erotic thing the boy wizard had seen.
He kept watching as Ginny paid more and more attention to her breasts, rubbing
and pinching them while giving out soft moans. Harry couldn’t have been blamed
for gripping his prick now. He stroked his cock, wishing that it was he who
were rubbing those treasures. His eyes bulged as she slid to the floor slowly
and spread her legs, giving Harry an excellent view of her nether lips. He
almost gasped in wonder as a hand traced its way from a nipple, down Ginny’s
abdomen to her pussy.
She slowly circled it, teasing herself, a single digit, touching lightly upon
her clit before tracing the perimeter of her lips and back again. Her head was
thrown back, pale neck bared and her breasts heaved with the deeper breaths she
was taking, as Harry saw Ginny slowly surrender to her lust.
He himself started stroking himself faster.
Harry noticed when she slid a finger down the length of her pussy, up and down.
She then pressed that finger into herself whispering, “Harry…yes....”
Harry’s cock gave a strong twitch when his disbelieving ears heard what his
best mate’s younger sis was saying. She was masturbating to him! While he was
wanking to her! Harry knew he was on the verge.
The wizard observed Ginny begin to rub her pussy faster and faster, touching
her clit with two fingers as she moaned all sorts of things that she was
imagining Harry was doing to her, finally the young girl reached her peak
because she gasped out “Fuck, yes, yes!” as she arched her back and started to
shudder, letting out little moans and grunts.
When Harry spied this, it triggered his own climax as cum came surging out of
his balls and he began to cum into the Cloak. He had to bite his fist to stop
from groaning out loud from the pleasure.
He saw Ginny begin to stir from her post orgasmic catatonia. She stood up on
slightly shaky legs and walked forward. Ginny cupped her hands to collect some
water, before using it to wash away her juices. The redheaded witch the
proceeded with the rest of her shower, dried herself, changed and left the
bathroom.
Harry did up his pants before vanishing his semen from his cloak and left the
bathroom as well before going up to bed, happy that his plan went without a
hitch and that he got to see more than he was expecting. As he fluffed up his
pillow, he made plans to use his cloak at least a few more times before he had
to leave for Hogwarts.
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