Sigma Headcanons - Tumblr Posts

Well my question is, do you have like any headcanons for Sigma and/or Moira? It could be family, love life, etc. because I'm trying to take notes because I have no idea if you saw some of my posts but I kinda drew Sigma and Moira a daughter and I don't want to go over board with it until I know what other people think.

[Answered on 07/17/20]

Hello there! I'm honored you're taking my headcanons into account! ^^ I /did/ happen to scroll through your posts, but I believe I might've missed it, heh. Your art is really good by the way! Anyway, back to the matter at hand! I have some Sigma and Sigmoira headcanons, but I unfortunately don't have any for Moira individually, heh. Here are some of the ones I have though! (Also, I'd like to apologize for this answer being so delayed. I've been a tad bit busy ^^')

Siebren de Kuiper / Sigma

Siebren and Sigma are two entirely different people. Following the accident on the International Space Station, Siebren developed a secondary personality that served as a shield for his broken psyche. Sigma surfaces when Siebren's stress levels are pushed to their limit and a gravitational anomaly is imminent; Sigma shields Siebren from and destroys the stressor. Sigma may be cold and rather psychotic, but he only wishes for the best for Siebren.

Bringing up Sigma or the incident is a big no-no. Siebren will often times beg his questioner not to talk about his other half or the accident on the ISS. Should they continue to press him for information on Sigma or force him to detail the events on the ISS, Siebren will almost always spiral into a stress induced panic attack, and Sigma will surface.

Siebren has a very powerful aversion towards violence, preferring to try and settle things via words. Because of this, he calls on Sigma to perform any absolutely necessary violent acts; however, Siebren is also capable of violence if thoroughly provoked, simply not on the same level that Sigma is willing to perform.

Siebren stands at 8'1" while flatfooted on the ground. This is in part due to microgravity in space and the constant state of anti-gravity his body is in, preventing his spinal disks from compressing like they normally would. Because of his height, Siebren has a habit of ducking or bending down through doorways no matter the height of the door frame.

Siebren is rather muscular, specifically in his upper body, due to his time on the ISS. Though Siebren is not a conventional astronaut, he still had to go through the same conditioning programs on Earth and perform the same workouts on the station to prevent muscle atrophy and the like. Even without his gravitational abilities, Siebren is more than capable of performing heavy lifting because of this.

He actually requires reading glasses but otherwise his vision is near perfect. On the subject of reading, he prefers to read sci-fi or space themed fiction and non-fiction based in his field of study (astrophysics).

Siebren is actually learning the piano in an effort to express his unheard melody. Many people have asked just what exactly it sounds like and the Dutchman has always been at a loss for an explanation so he took to learning piano. He's making quite a bit of progress, but he still has a ways to go.

Siebren is very VERY touch starved. Having been deemed a danger to himself and others, he was denied any kind of physical contact in the government black site he was sent to before being retrieved by Talon. As such, should anyone even suggest physical contact with him they'll receive a very firm yes. He is aware that others have personal space and he doesn't want to be a bother though so he never actively asks for physical contact.

Sigmoira

Moira is actually the one who suggested retrieving Siebren. Upon hearing that one of the most renowned astrophysicists of their century was being kept on some military black site, she knew something was fishy. Why would they hold him there of all places? The only solutions were he knew something very important or something catastrophic had happened on the ISS. Moira and the entirety of Talon were in for quite a shock when they discovered just why Siebren was there.

Siebren and Moira's relationship starts in the labs. Having been cleared after his initial interview, Siebren is allowed into the labs and he and Moira begin to work in the same space. The two quickly discover how much they have in common and how intellectually equal they are. And so, a love was born.

Siebren finds some sort of comfort in the sound of Moira's voice. Moira was there throughout Siebren's many ordeals in Talon and as such she is associated with comfort and grounding for the Dutchman. Whenever Siebren would spiral into one of his raving episodes or panic attacks, Moira would be the first to come running. Even as the gravitational field surrounding the male would distort, Moira would oh so calmly approach and quell his raging sea of thoughts with just a few simple words.

Moira herself connects rather well with Siebren but Sigma taps into her immoral side. Perhaps it's the cold, calculating, near chaotic nature of the entity or that he is just as protective of Siebren as Moira is. Whatever it is, he and Moira get along quite well.

Both relate very highly to being viewed as monsters. Moira's work is deemed unethical and her own alterations to her body cause others to view her as a monster. Siebren's broken psyche and his volatile abilities coupled with his genius cause others to see him as simply a dangerous individual or a broken man ripe for manipulation.

One of several things the biologist and astrophysicist have in common is their fierce dedication and passion towards their work. Moira was willing to alter herself and Siebren was willing to put his own life at risk in the name of progress in their respective fields.

Saturdays have become dedicated star gazing nights. Siebren takes Moira outside of Rome's light pollution and into the forested areas outside the city where only the light of the stars and moon are visible. There Siebren and Moira will simply watch the sky while suspended in zero g's, watching the night sky. If Siebren's in a particularly chatty mood, he'll explain the stories behind the constellations and the names of the stars that make them up even though Moira has heard it all several times over by now (she doesn't mind though because it makes Siebren happy).

Moira is not one for physical affection but is willing to accept it if it's from Siebren. Moira is well aware of how touch starved Siebren is and doesn't even put up a fight when he asks to cuddle. If she was completely honest, the closeness and the affection were actually quite nice. She would be perfectly content simply laying back onto his strong chest, wrapped in his strong arms, listening to his every word if she was given the opportunity.

What kind of relaxation headcanons do you have for Sigma? I really like your take on the character and I'd love to know more ;w;

[Answered on 07/18/20]

Pyro, hey! I appreciate you sending me an ask! Great to know you enjoy my portrayal of gravity grandpa uwu! You're not here to hear me babble though so I'll go ahead and get straight to the answers!

R e l a x

Probably the most obvious, but most definitely Siebren's favorite, is stargazing. There's something inherently calming about the beauty of space and its vastness. If he were given the chance, the Dutchman would simply kick back in zero g's and watch the night sky until dawn.

Another obvious one is listening to music. Music serves as an escape for most people but for the astrophysicist it means so much more. Siebren has an affinity for classical (specifically piano pieces but he enjoys full orchestra as well) and old, 2000's pop. Shockingly, Sigma has different tastes than Siebren; Sigma does also enjoy classical but he prefers the sad rock songs over pop.

Reading is another one of Siebren's favorite things to do to relax. As I've already mentioned in a previous ask, he enjoys sci-fi and space themed novels in terms of fiction and astrophysics based books for non. At the moment, he's reading a trilogy called "The Movement".

And last but most certainly not least is cuddling. As I've mentioned in a previous ask, Siebren is extremely touch starved. Knowing that there's a physical person in his arms that he can touch and hold is a very calming sensation. His broken psyche churns his thoughts and constantly creates things he knows are not there, so knowing that at least one thing is real is grounding and relaxing for him. And we all know who'd be happy to cuddle with our gravity man. *cough* Moira *cough*

[Posted on 08/06/20]

[Posted on 07/05/22]

𝒟𝒶𝓉𝒾𝓃𝑔 𝒜𝒟𝒜 𝒮𝒾𝑔𝓂𝒶

Character: Sigma

Warnings: N/A

After escaping & surviving the prison, Sigma joins Dazai at the Armed Detective Agency…

- Sigma has been through a lot to get to this point, where he can finally call something home

- He loves cuddles, in private of course but he still loves them

- not a huge PDA fan although he will hold your hand or give you a kiss on your hand/cheek

- Dazai will also tease him if he kisses your hand (etc.) just because he knows he can mess with you guys (no one can ever escape Dazai)

- Speaking of which, all of your coworkers approve of your relationship

- Kunikida is the only small exception, who only approves if you guys don’t fool around at work, focus on work and don’t just runaway when on missions together

- Sigma gets overly anxious on missions so you often join him to help calm him down

- Also if its an overnight mission you guys can cuddle all night before you start the main part of the mission

- Cuddling helps Sigma calm down because he knows your always right next to him

- Its definitely his favourite thing to do once a mission ends, just both of you two hugging in your pajamas

- You guys both have dorms at the ADA right next to each other, but you’ve given him the key to yours and you have his key

- Most of the time you sleep in his room although he does like going to your room aswell!

- Eventually Fukuzawa or Kunikida might just say to move in together

- If your mission ends in the afternoon then you guys go on cute coffee dates in the cafe below the agency

- Although sometimes the agency comes down to join you all

Texting them "He's gone, you can come over"

Fandom: Bungou Stray Dogs

Pairings: Dazai, Chuuya, Atsushi, Sigma, Fyodor X Fem!Reader

Genre: Crack, Humor

Format: Headcanons

Warnings: None

Word Count: 0.7K

A/n: Have you noticed how much I love to write about tiktok trends?🚶🏻‍♀️

ok so this prank is hilarious XD

your bf was here since last night and now that it was 8 am, he had to leave for work

I MEAN, this is the perfect opportunity for pranks, right?

so as you give him a goodbye kiss, you wait for him to close the door and approach his car, and that's when you send the text "He's gone baby; you can come over"

↳Sigma

😂😂😂😂😂😂😂😂😂

so he literally freezes when he sees the message. He takes a dumbstruck look at your house, and then at the phone, and this goes on for a while until he believes what he's seeing is not a hallucination lmfao.

Slowly shoves and the phone back into his pocket, and slinkily hides behind a tree near your house.

youre like "BRO WHAT THE FU- "

Help the dudes acting like a fucking Stalker-

remains like that for a while, carefully analysing every man that passes by your house, but then he slowly comes out, and Starts doing something with his phone.

that when your phone rings.

"O-oh Hey baby, what's up?" "Um, y/n? you sent me a message a while ago… what was that about?"

You try to act dumbfounded as guilt feels you up.

"Oh? that? Oh I accidentally sent it to you! that wasn't for you baby!" "Oh thank god then! ok! bye honey!" "bye!"

lets out a relieved sigh And starts walking to work; and that's when it hits him.

WHAT DO YOU MEAN IT WASN'T MEANT TO BE SENT FOR HIM-

lmao just tell him it's a prank already

↳Chuuya Nakahara

APEOIH;SHR['HWGA'HGWNE'WG

God I love this guy XDDDDD

Ok this guy is a FREAK when it comes to cheating. Like he will literally SNAP OUT.

so when he reads the message, he will immediately approach his car and opens the car boot.

You look at him, surprised and curious, wondering what the fuck is he doing; when he takes out something and you freak out.

BRO IS THAT A FUCKING CHAINSAW-

WHY THE FUCK IS IT SO BIG HELP-

LMAO LMAO SUDDEN REGRET*

not a second passes that the door literally blows up and Mr. Mafioso breaks inside.

"Y/N YOU FUCKING BITCH IM GOING TO FUCKING MURDER YOU-"

Y/n: panics* lmao

BRO WTF CHILL OUT ARE YOU A FUCKING GANGSTER

oh wait yeah he is a fucking gangster🚶🏻‍♀️

explain to him before he tears you up lmfao

↳Fyodor Dostoevsky

Pffft

You think you're so smart huh

Bro the dude doesn't even make an expression😭

like, literally continues walking after taking a glance at your message.

YOU ARE STUNNED.

I mean you weren't even expecting something cheesy, but at least a bit of discomfort on his face WOULD HAVE BEEN SATISFYING-

now youre hurt lmao

You watch his figure getting farther, when you see a notification on your phone.

Fedya, 08:17 AM:

Yeah, sure.

Y/n: breaks down*

YOU RAT BASTARD-

↳Atsushi Nakajima

lmao

PURE BABY

DOESN'T EVEN THINK OF THE POSSIBLITY OF YOU CHEATING

an excited smile appears on his face when he reads your message, which makes you confused.

Like wtf? This isn't right, right? lol

he starts knocking on your door which gets you a bit excited, but the second you open the door, you sank into his warm embrace.

"Y/N BABY ARE YOU PLANNING A SURPRISE PARTY FOR ME? I LOVE YOU SO MUCH-"

bitch wtf lmao

Y/n.exe has stopped working

NOW YOU HAVE TO THROW HIM A PARTY CAUSE HOW THE FUCK CAN YOU TELL HIM THAT IT WAS JUST A PRANK-

lol you never play a prank on him again.

↳Osamu Dazai

HE WILL LITERALLY COME BACK INSIDE AND WAIT FOR "THE GUY" YOU MEANT IN YOUR TEXT TO JOIN YOU.

I mean he sees right through your little prank, but it wouldn't be fun if he ruins it like that, right?

So he walks back inside and starts nagging with A VERY DRAMATIC TUNE.

"Y/N Baby are you having people over?"

"I- um- "

"Youre so mean! trying to have fun without me! I CANT BELIEVE YOU-"

Sobs as he wipes his invisible tears*

"Ah… sorry…" ⚆_⚆

Sits on the couch next to you, waiting for your friend to arrive.

"Um… aren't you late for work?"

"Nah who cares. I don't do anything there anyway" "Right"

You remain still, thinking which one of your friends are available at this moment so you could ask them to come over lmao

Embarrassing failure*

Reblogs are sooooo much appreciated! :)

Sigma instagram series

Sooo, that's for @luvfy0dor, the final one from their request. Sweetie, I'm so sorry this took so long, like genuinely i had no motivation, but here i am

@velvetyvoyage

Warnings: swearing, kys jokes

Bsd masterlist

Liked by Casino-owner, Koliaa and 65.3k others.

Caption: The gang is here🖐🏻

Comments:

Casino_owner: Oh boy, who's here except you?

↪Koliaa: MEEE 😆

↪Dostoyevsky: Present.

↪Suicide_miniac: HEREEEE (+Kunikida and Atsushi)

↪Doppo_Kuni: For the record, i was dragged here.

↪Nakahara_Chu: Me

↪Casino_owner: The only one i can bear is Chuuya. God protect me.🙏🏻

Suicide_miniac: Let's spend some money🤪

↪Nakahara_Chu: What money?

↪Suicide_miniac: Your money ofc

↪the.one_and_only: LMAO

↪Nakahara_Chu: fuck you.

↪Suicide_miniac: Bet. Here?

↪Casino_owner: ABSOLUTELY NOT.

Liked by Casino_owner, Nakahara_Chu and 56.7k others.

Caption: I did the eyeliner btw.

Comments:

Koliaa: MINE NEXT!!😆

↪the.one_and_only: okay

↪Casino_owner: No.

↪Koliaa: WHY

↪Casino_owner: Leave my partner alone😞

↪Suicide_miniac: But they're pretty

↪Casino_owner: I know that better than you

↪the.one_and_only: Awwww

Nakahara_Chu: Okay but that's amazing.

↪the.one_and_only: Gin though me

↪Gin_Akuu: :)

↪Nakahara_Chu: You gotta teach me too then

↪Gin_Akuu: I will!!!

Liked by Koliaa, Dostoyevsky and 73.8k others.

Caption: You can't tell me it doesn't remind me of his hair.

Comments:

Dostoyevsky: It's the same colours, indeed.

↪the.one_and_only: RIGHT??

↪Suicide_miniac: Awww they're also heart shaped.

↪the.one_and_obly: Ew. No one asked you

↪Suicide_miniac: Why do you hate me? :((

↪the.one_and_only: You danced with my bf bitch. Kys.

Koliaa: THOSE ARE MINE CONFETTI

↪the.one_and_only: I know, that's why i took them

↪Gin_Akuu: LMAO

↪Koliaa: And where was Fedya??

↪Dostoyevsky: I was there. Watching them take it.

↪Nakahara_Chu: pf.

Liked by Casino_owner, Koliaa and 105.6k others.

Caption: MAJESTIC. MY MAN IS MAJESTIC.

Comments:

Gin_Akuu: Awwww, it's so pretty

↪the.one_and_only: I know, i know😫

↪Koliaa: The clothes are pretty😄

↪Casino_owner: Thanks.

↪Higuchii: The hair looks soo braidable.

↪Koliaa: Mine also does😄

↪Casino_owner: Why you gotta burst into every convo??

↪Dostoyevsky: 🤨

Nakahara_Chu: Gotta hire you as a photographer.

↪Gin_Akuu: Real tho

↪the.one_and_obly: Thanks babes.

↪Suicide_owner: Is it babes cuz Chuuya is short??

↪Nakahara_Chu: Kys.

Liked by Koliaa, Nakahara_Chu and 89.5k others.

Caption: Which one??

Comments:

Suicide_miniac: HOW MANY CARDS?? EVEN A BLACK ONE??

↪the.one_and_only: Poor ass.

↪Nakahara_Chu: Lmao. I also have a black one

↪Suicide_miniac: WHAT?

↪Higuchii: I love his confusion.

↪the.one_and_only: Same

Gin_Akuu: With who are you going and where??

↪the.one_and_only: Investigation or something?

↪Gin_Akuu: Noo :( not what i meant

↪the.one_and_only: I know, i know😂 anyway I'm going with Sigma out

↪Suicide_miniac: AND YOU BRING ALL OF HIS CARDS??

↪Casino_owner: Those aren't all my cards?

↪Suicide_miniac: KDHEJKSJSHDVX

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