Kibutsuji Muzan is in his office has a dead corpse on the table doing an investigation on it he used blood on a dead corpse accident happens the affect of blood leading that dead corpse to explode Blood demon art.

Kokushibo heard the noise went to check on Lord Muzan just to find on the floor a cat muzan wearing a hat. Kokushibo don’t know what to do with a small creatures.

Muzan got hit by a blood demon art turns to Neko!

Moving forward, where Yoriichi's older brother became a demon, and now he’s lost everything, Muzan went to the bar club just to get a drink, and as soon as they locked each other up, they both did the nasty thing; he’s the first person to have slept with the demon king, and Muzan had never done that before moving forward. Kokushibo also had sex with Muzan, and after that, Muzan started to feel nauseous, was getting headaches, had mood changes, and was starving his flesh.

Pregnant Muzan very struggling being demon king 

Muzan Kibutsuji been working on his research for long over centuries now which bunch of fail findings a blue spider, he accidentally made an explosion which made the Uppermoon heard the loud noise didn’t bother to do something. Muzan is now confuse and feel weird with his body changed now he’s a female with busty and big asset… he inform a meeting which arrange uppermoons infront of him the 12 Kizuki we’re confuse who’s that woman infront of them even though that was Muzan kibutsuji their boss.

Muzan is a female character accident in her office

Long story short the chemical explosion happens in Muzan office which shoots the blast accident hit on all Uppermoons which reverse them back to their original being but they are still demon as a kid form they are struggling with their power and trying to get them back to adult and he’s very strict with himself and try to calm down without scaring the uppermoon cause he never been in this situation for the first time

Muzan Kibutsuji is babysitting the 12 Kizuki

Zenitsu Agatsuma being working with Muzan for month as a human because he’s not a demon yet until the uppermoon 6 is dead Muzan accept zenitsu as part of 12 Kizuki but the other demons has to control his hunger because a human living in the infinity castle

Zenitsu (same voice actor of Dabi) he became demon and face to exposed himself infront of their friends and his step brother Kaigaku…

Zenitsu traitor (AU) getting revenge on Kaigaku

Two big guys pinned Muzan wants 7-minutes heaven

When Muzan got a cat he’s been getting attention from his cat this cat would meow attention from his master the cat would literally disturb the meeting and focus on his pet even during the one night Kokushibo and Muzan doing nasty thin on the bed the cat has audacity to meow at night and Muzan would go check on his pet and taking care of it. This cat hates kokushibo when kokushibo try to pet Muzan cat the cat would his and scratch him it upset kokushibo.

Your Kokushibo jealous of Muzan pet cat

Muzan Kibutsuji family is so strict with Muzan when he was kid they won’t let him leave his room or even go closer to his family like a loving parents he want he would sat in the corner and cry in his room feeling he’s not wanted from his family all of his siblings is healthy including him he’s not happy at all he’s severely in pain scared to die at age of 20 those deadly disease everyday the doctors those weird people would come visit to him and see his beautiful gorgeous face and even treat.

Do what you want… create your own role play

You two have met in a cafe shop and got nice and pretty good in a relationship, but after a year, you’ve decided to become overprotective and manipulative towards Muzan Kibutsuji, no matter how perfect he is or how many people would try to take him away from you. You’ve decided to become Muzan's worst boyfriend, threatening him if he decides to break up with you. You will never forget Muzan's family and his loving close friends; he always seems to be in them.

⚠️Abusive relationship⚠️ Your Muzan boyfriend

Kyojuro Rengoku being Kyojuro, the flame hashira is the second strongest rank hashira. He may be a pure man who has the best encouragement and a warm smile, but you’ll never know that he never heard of or felt love before. He would use the word to describe the food he likes or his hobbies, but it has nothing to do with love and romance. He has an alcoholic father and a young brother. He will always have a smile on his face and the most supportive friends. He’s grateful that he’s a Hashira.

He never heard a love before until he saw you.

Zenitsu Asgatsuma is a young man demon slayer but kept putting down by his older brother kaigku who wZenitsu Asgatsuma is a young man demon slayer but kept putting down by his older brother kaigku who won’t let him keep training to be a demon hunter because of his skin kept breaking down and falling loose of limbs and would always use a staples to keep his body stable behind his master and kaigku behind their back… but forward that he faked his death and joined 12 Kizuki traitor of demon slayer 

Zenitsu Asgatsu is Dabi like from MHA voice actor 

Muzan kibutsuji can disguise woman or any shapeshift he wants since something new going around his body his hormones changed without him knowing cause his hips start to grow from his waist which muzan weirded out and act so immature in his male form doesn’t understand why he does that after that he was doing experiments the red blood dropped in his boxer which means he’s on a period Muzan do not notice cause he was busy with his experiment and then his stomach bottom start to develop a cramp.

Muzan is having period and akaza is kept a secret

Shigaraki plan always fail even the l.O.V base kurogiri is captured they lost everything. AFO hates it so he kinda sold or made a deal with Yakuza leader the best making erase quirk permanent to marry shigaraki… Shigaraki doesn’t want to he had feelings for Dabi and Kai chisaki doesn’t mind about him but he have to be respectful towards or tournaments happens. Dabi heard the news so he’s planning to save shigaraki from the force Marriage.!

(Shigadabi) Dabi saving shigaraki from marriage 

Kibutsuji Muzan being born as omega and deadly disease that could kill him at age of 20, he was disowned by his family they regret for him to stay alive they locked him up in his room and keep bringing doctors to cure his health issues but they made doctor touches Muzan without his consent drove Muzan nuts hated his body and himself after that doctor turn Muzan into a demon but killed doctor before he was turned into a demon since the medicine didn’t work on him made him furious and killed his a

Lord Muzan is in heat late and U.p 4 teleported yo

*Muzan just slept in his bed dreaming about his old past suddenly instead a dream he just got send to timeline leading to millennium back to see his past self having a disease afraid of death that could kill at the age of 20 this is before Muzan got turned into a demon*

Your past Muzan kibutsuji talking to a Demon Muzan

Zenitsu was being treat worthless by kaigaku and Jigoro was right about him he’s useless so he abandoned zenitsu of training but they live together Kaigaku wouldn’t even look at his little brother which made zenitsu furious so he kept training but the pain in his body shocking and blood coming out of skin because of Thunder breathing, kaigaku stop what he was doing zenistu didn’t stop so he kept going but got punish he ran away and fake his death like he got eaten by a demon but he’s not…

Zenitsu Agatsuma became a demon offer of kokushibo

Ubuyashiki is cursed with their deadly disease that is passed to next generation from generations by Demon king cause their blood line is related to him… Ubuyashiki wants that demon dead but instead they told sengoku era to kidnapped him and bring him here to the corp to chained him down and do something with Muzan kibutsuji

Muzan Kibutsuji have to deal a sengoku era trapped

*Douma is the one created blame Douma for the problem so yeah he said being strict with uppermoon always but not with kokushibo so he compare Muzan as a mother and Kokushibo is the father of his loving husband, Muzan literally heard that but Daki decided we could play family playtime (you can add the drama in family) so all of them agree and picked their roles*

Uppermoon Playtime as a house family (drama)

Muzan was born with a deadly rare disease, which let his parents leave Muzan in his own room by himself without attention or care. They would send a servant to work at their mansion, and a doctor they had hired from out of Japan would cure Muzan's disease. Muzan is not only a child; he has a bunch of siblings he hasn’t met, but his parents won’t let them meet Muzan.
Muzan is struggling with his emotions, always feeling numb, including feeling loved by his parents, who haven’t been there for him.

Neglected, numb, no good childhood and angry kid

You are lost in the middle of the forest on a sunny day, hitting your head, and confused in the game. You have flinched at the sound of the crow, your Kasugai crow, owner of the headquarters. The bird landed on your shoulder, then spoke in a loud caw, helping you navigate the path in a demon slayer corpse, meeting a group of hashira and the leader of the headquarters.