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anxiousnerdwritings · 2 years ago

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Yandere Petunia Evans w/Muggle!Sister!Reader Headcanons (platonic)

Petunia, Lily, and you had all been close but it was Lily who you were closest to. She did primarily hog you to herself more often then not, gluing herself to your side and never parting from you for very long. Petunia didn’t have very much one on one time with you when Lily was around. She didn’t pay it much mind though, it was no secret that Lily utterly adored you to no end. It reminded Petunia of how excited she had been when Lily was born so she could understand why Lily was so enamored with you from the beginning.

Things didn’t really start to become strained between Petunia and Lily until Lily and you had taken up befriending the odd boy next door. Not to mention Lily’s magical capabilities becoming glaringly apparent. That’s when Petunia slowly started to drift away from Lily but it wasn’t until Lily received her Hogwarts letter and started attending the magical school that really caused Petunia to completely turn her back on her sister. She was envious and resentful of Lily for something Petunia herself couldn’t have and it constantly ate her up inside.

Once Lily was away for school that left you with Petunia and she took complete advantage of it. She saw this as her chance to grow closer to you now that Lily was out of the picture for the most part. Petunia wanted desperately to pull you over to her side and get you to see Lily how she saw her; as a freak. Petunia really took to life without Lily around and getting to actually have her own time with you, it was nice not having Lily there to take you away or to hog up all your attention. She never really realized what she was missing out on when Lily was keeping you to herself and it made Petunia resent her all the more.

As much as she enjoyed having one on one time with you, Petunia knew it would eventually come to a halt once Lily came home for the holidays or once the school year finally came to an end. It was already frustrating when Lily’s letters would arrive and you would stop what you were doing without a second thought just so you could read them and write a reply back as quickly as possible. It really irked Petunia especially when the two of you were in the middle of spending time together, even if neither of you were talking or paying attention to each other it still bugged her that Lily could still have your complete and utter attention on her when she wasn’t even around.

Even though she loathed it, Petunia could still tolerate having Lily back home and around you again, albeit begrudgingly. But that all changed when you got your very own Hogwarts letter. The second Petunia laid eyes on it her heart nearly gave out. She didn’t even hesitate to take it and hide it away where you or anyone else wouldn’t find it. She was so thankful she had been the one to come across it first otherwise you would surely be off to Hogwarts too and Petunia couldn’t have that. She couldn’t lose another sister, she didn’t want to have to cut you out either and leave herself all alone. Sure she feels a little guilty about it, especially when seeing your sullen and downhearted reaction upon the realization you won’t be able to be by Lily’s side and experience the world she gets to be a part of. But Petunia justifies her actions and thinks of herself as saving you the trouble of becoming just like Lily and being able to leave Petunia behind like she believes Lily already had.

When Lily invites her friends from Hogwarts over to spend time with and get to know you, letting you in on their own experiences being part of the magical world and sharing what all there is to it, Petunia absolutely detests it. She sees them as nothing but troublesome and trying to take you away from her, trying to coax you into their world. Why can’t they leave you out of it? Why does Lily have to be so stubborn and try to involve you into her new life outside of you and the rest of the family? Why can’t Lily just let her have this one thing? Why can’t she just let Petunia have you?

Out of the two, Petunia is the most controlling when it comes to you, especially after Lily’s been attending Hogwarts and Petunia’s been the one to be around the most now. She feels entitled to have a say in what you do, how you live, and who you interact with, particularly due to her being the eldest sister and she has no shame in using that as her justification. She’s only looking out for you and since she’s older she knows better. Petunia really has no difficulty in speaking out against what she doesn’t like or flat out hates about who or what you decide to put your time and attention into. She is very vocal and extremely nitpicky when in comes to who you bring into your life, whether it’s ‘normal’ people like you and herself or if it’s the ‘freaks’ like those that Lily surrounds herself with. At least that’s how Petunia categorizes it. Either way, she won’t like anyone you befriend or end up having a romantic interest in or relationship with. She doesn’t see anyone being worthy of your time, let alone your love, except for herself and eventually her own family when she has one.

When the fated day comes and Lily and James are killed, Petunia does feel some remorse and guilt for how she treated Lily and hating her so much. But that all is overshadowed by the absolute relief that fills her that you weren’t in any way, shape or form harmed or killed along with them given how often you were around the couple and at their home, especially once Harry came along. Petunia wouldn’t know what to do with herself if you had also been a casualty because of Lily and her new family.

And when Albus leaves Harry with Petunia and Vernon to raise, there’s an overwhelming part of her that wants nothing to do with the dreaded child whatsoever and she’s even more than willing to ship him off to an orphanage. But she knows how completely and utterly devoted you were to Lily and her family (you still very much are even now) that you would have no problem taking in and raising Harry as your own without so much as a thought in mind. Petunia knew that if she were to let that happen then you wouldn’t have nearly as much of a reason to come and see her and her own family anymore, especially her precious Dudley. So, begrudgingly she and Vernon keep Harry and you even go out of your way to move in for a bit to help take care of him and Petunia couldn’t be happier. As long as she kept him around then you would surely stay close to her, even if it was solely for Harry’s own sake that you did so, Petunia couldn’t careless just as long as she had you in her life.

She wouldn’t let the relationship between the two of you turn into anything like the one she had with Lily. She would never let it get that bad, she could promise that. She wouldn’t be able to bring herself to cut you off like she had Lily, even if Vernon wanted her to. Petunia would have no problem fighting him tooth and nail over that. It doesn’t help that after Lily’s death, Petunia would become all the worse in her attachment to you. You’re all she has left now of her own family and she can’t lose you. And given how similar to Lily you are she would inadvertently use you as a way to redeem herself. She would do good by you in her own way, making up for what she had lost out on with Lily.

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anxiousnerdwritings · 2 years ago

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i imagine inheriting the largest vault in Gringotts history will have its advantages in the likely event Dumbledore will pit the sisters against each other in a custody battle. but whatever case he’s managed to build up will quickly be dismissed as Bellatrix will go as far to use the Lestrange fortune to sway the courts in the reader’s favour if they can’t see having one muggle parent and one magical parent is beneficial.

I headcanon (and definitely plan to mention it in my Yandere Petunia Evans w/Muggle!Sister!Reader Headcanons when I get to it) that the only reason Petunia doesn’t just hand Harry over to the Reader (since Petunia doesn’t want anything to do with raising a magical child) is due to knowing that if she keeps Harry in her possession then the Reader would have to stay in Petunia’s life. Her sister wouldn’t be able to just up and leave Petunia once she’s started her own life. And Petunia knows damn well with how loyal and close the Reader was to Lily that she would be just as devoted to Harry, if not more so, which would take up all the Reader’s time and attention away from visiting and being with Petunia.

I feel like if the Reader remains persistent enough and what with Bellatrix having defected and being devoted to the Reader then I could see Dumbledore being more likely to just give in. Especially if Mcgonagall was in full agreement that Harry would be so much better off with the Reader. Although, since Bellatrix has made her decision very clear as to who she’s aligned her self with *cough* Muggle!Aunt!Reader *cough* then I could certainly see Dumbledore allowing whatever just to ensure that Bellatrix stays on the good side and becomes part of the Order. How could Dumbledore possibly pass up having one of Voldemort’s most devoted and loyal followers who has completely defected from the cause join his very own cause? And if all it takes is allowing Bellatrix to play house with Muggle!Aunt!Reader and Harry then okay.

Also, just because Bellatrix has defected doesn’t mean that she still isn’t willing to Avada Kedavra someone. And she may just do that with Petunia and Vernon. But then there would be the possibility that she’d be found out and taken away from the Reader if she did so, not to mention she would have to take out Dudley too otherwise the Reader would be stuck with him and she wouldn’t do that to her darling. No, Bellatrix would try to remain cordial and civil but so help her is this custody battle continue she will imperious the Dursley’s or obliviate them altogether and send them off to who knows where.

Overall though, Bellatrix would without a doubt help out the Reader in whatever way possible. As would the Malfoy’s but on a much more subtle level.

#anxious answers #yandere bellatrix lestrange #yandere bellatrix black #yandere harry potter #yandere harry potter concept #yandere concept

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