Demon slayer headcannon's

Upper moon 4 Hantengu!:SEKIDO

Sekido: Sekido is the more strict,aggressive,and brash of the four. That being said my head cannons for him will be more closer to his angry nature than anything. Warnings for this character: Cussing,violence,anger issues,sekido being sekido, nsfw themes in boyfriend!sekido head cannons, and any other things i have not put in here. 

Dad!sekido head cannons

-Your mother and sekido had met when sekido and his brothers had wondered into your cabin at the smell of fresh blood,hoping for a new meal only to be met with your mother, and you, in her arms swaddled in a blanket. Your mother had just given birth to you, the reason for the fresh smell of blood, all four brothers stood in the cabin astonished. Of course sekido being sekido wanted to 'get this shit over with'. The sounds of your loud cries and your mother pleading them to take you if they killed her seemed to spark something within sekido, not one to show emotions at all, but something softened inside him over the sight.  He ordered his brothers to continue on meanwhile he stayed with your mother. Your mother of course,began to panic, at the demon crouched in front of her. 

"P-please don't hurt me! i'll do anything just don't hurt my baby!" your mother wailed in complete fear, the demon only hummed. "tch. as if i would kill an ugly ass human like you. You don't deserve to feel my wrath.", your mother was of course in shock, your wails only seeming to become louder within the demons ears. "She is hungry, isn't she?" he hummed, your mother was astonished, "Y-yes i am so sorry i um i-i just um i..-" continuing to stumble on her words. 

-fast forward a few years later you were four now. regardless of blood, you referred to sekido as "dada" or "daddy", your mother had fallen in love with the demon by the time you were eight months old, resulting in the two raising you to recognize him as your father. 

-Sekido is nothing short of the typical possessive lover/dad. Sekido makes sure to provide you and your mother with everything you need. Of course, from his kills. 

-As you grew up sekido always brought you suvineers from his missions. such as hair pins,kimonos,toys,he even brought you your first weapon when you were 16, your mother of course scolding him saying it was dangerous. Sekido didn't give two shits of course, brushing her off and encouraging yourself to protect yourself.

-Sekido raised you to fight for yourself, unfortunately at the age of 17 your mother had passed after an encounter with a demon out doors one night, of course you were angry and heart broken. Sekido was hurting as well but he refused to show his emotions, or even let his guard down at that. the house felt so empty, and when it came time for you to leave he never saw you again. You were angry and blamed sekido, after all those years he had sworn to protect her and she died. 

-Sekido was angry with himself. He once tried to have karaku reach you but to no avail.  One day though when you were 20 you had shown up, to announce to him and of course your demon uncles that you were pregnant!,you had explained that after you left you met a really nice guy who helped you over come your mothers death and eventually who you fell in love with, you then apologized to sekido for how you suddenly went no contact, sekido of course acted like he didn't give a shit but deep down inside he was happy and he hated it, he wasn't used to these feelings even after all of those years.

Boyfriend!sekido head cannons 

-Boyfriend!sekido acts like he doesn't like you when you first meet, you two met through douma. Sekido stared t your before asking, "what the fuck?! why would you bring some weak ass human to me douma i outta fuckin ki-", "I'm not human." you simply stated interupting the angry demons question towards douma. It wasn't until he saw the kanji on your eyes stating "lower kizuki 2" did it click. 

-Boyfriend!sekido, doesn't understand why after a mere 3 week of knowing you does he begin to feel all fuzzy around you. You always run towards him with open arms when you see him, greeting him with a special suvineer from one of your kills. Sekido acts like he hates it,trying to push you away, all the while he yearns for your touch every day.

-Boyfriend!sekido who finally acknowledges his love for you one day, in the most quickest way possible. He hands you a flower, grumbled an "I love you.", and simply walks away leaving a confused you standing there.

-Fast forward it will now be 3 months you two have been together, and not one intimate action between you two except for kissing and the occasional dates. You wanted to move to the next level, sekido had a bad habit of wet dreams about you and he absoloutley acted as if he hated them, in reality he'd get up and jerk off till his hard on went limp weeping any left over semen from the tip.  

-so in the case that one night he had a wet dream you snuck into his room, slipping under the covers. Sekido wasn't a heavy sleeper,but he wasn't a light one either. 

-When sekido woke up to his cock deep in your throat, he wasn't surprised, more so he  took charge. Grabbing a fistful of your hair and fucking your face. "tch.little minx, sneaking in here to suck my cock like the needy slut you are.".

-Boyfriend!sekido who fucks you n doggy style position so he can watch how your ass bounces back against him, so he can grab your hair and pull your head back enough for him to see your fucked out expressions. 

-Boyfriend!sekido who prefers to either cum inside your ass/pussy or your mouth, telling you to not waste a drop of his cum or he'll spank your ass till its a deep red. 

-Boyfriend!sekido who isn't the best at aftercare but still knows what he's doing to a certain extent, he grabs a warm and wet rag to clean up an excess cum that might have escaped after he pulled out, he runs a bath for you picking you up and carrying you bridal style, once your done with your bath he dresses you and lays you back down so you can rest, on special occassions he will lay with you and cuddle you.

A/N:thats it for this fic! this was just dad and byfriend scenarios, i have whiplash froma carnival ride right now so i can only write so much right now! i promise there will be part twos to all characters for the hantengu clones.