The newest Ubuyashiki Relatives had been top this new Demon Slayer Corps given that the times from antiquety as well as have went on to accomplish this for a lot of ages within their objective to eliminate the Devil Progenitor. Due to them as being the head ringleaders of your Demon Slayer Corps, Muzan significantly despises this new Ubuyashiki airg Family members and years, makes they one of is own best prioraties to avoid this new whole clan and you will stop its bloodline to permenently rid out-of himself of your Demon Slayer Corps.
Once the found of the Kagaya Ubuyashiki, brand new Ubuyashiki loved ones are actually about Muzan from the blood, using them as being the descendants from his family out of a lot of years ago. Centered on Kagaya, the brand new Ubuyashiki bloodline was cursed for having delivered the Demon Progenitor and all the youngsters created into their clan are said to had been sickly and you can weakened, passing away prior to these people were also fully grown. From then and therefore forward, the newest Ubuyashiki family do located its spouses chosen in their eyes by Priests, and because then, while the individuals born on clan however passed away in advance of they truly became thirty, they certainly were now at least, far more resistent to dying.
not despite this blood relationship to your, Muzan himself shown no compassion neither mental accessory into the family relations and you can alternatively states to really getting sickened because of the him or her, because the seen while in the his discussion with Kagaya, in which he teased him and his friends due to their years enough time look after in order to eliminate him.
Muzan holds these types of Demons when you look at the slightly a leading esteem versus the others, providing them with a much bigger percentage of his bloodstream to increase the vitality. Despite favoring them more than typical Demons, Muzan sometimes show that the guy likes the top Ranking compared with the Straight down Positions. This will be evidenced whenever Muzan murdered off of the Demons for the All the way down Ranks meeting regarding outrage following the Rui’s defeat, and his awesome ailment of their failure to help you earn against the Devil Slayers as well as their obvious failure in order to beat brand new Hashira’s of your Corps and you may thought these to be arrogant, irresponsible downfalls due to them getting excessively pretty sure during the fact that they turned into Straight down Positions. In the end, he seen them as expendable systems and once emerging out of their flesh cocoon to face the Devil Slayer Corp, admonished every one of them to be useless in advance of saying that he alone have a tendency to eliminate the Devil Slayers.
Muzan very first fulfilled him as he try also known as Michikatsu Tsugikuni, the second got long-desired being just like the strong while the their brother however, hit a brick wall, together with fearing their certain close dying from the hit new Demon Slayer Draw. Muzan certain your to switch, detailing they might one another winnings, as he you can expect to live-forever and get stronger while Muzan manage acquire an air Build playing with demon.
He had been arguably one of many nearest to help you Muzan, exactly who viewed him given that a bit of a business mate.  Subsequently, Kokushibo turned into extremely dedicated so you can Muzan, becoming a keen enforcer on hierarchy he oriented one of many Top Positions, because shown when he penalized and you can endangered Akaza having fighting Doma. Kokushibo and you will Muzan was basically as you responsible for nearly eradicating Sunrays Breathing totally, pursuing the latter’s come across into former’s sis Yoriichi Tsugikuni.
Daki and you can Gyutaro
Muzan try demonstrated to keeps a confident grasp-slave connection with Daki, as young Demoness apparently worships and you can admires brand new Devil Progenitor enormously, fervently hanging on each and each one-one out of their words and you will starting the woman absolute best accomplish the fresh new tasks he gets the woman.