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  5. Mukago - Kimetsu no Yaiba (Demon Slayer)

OtapediaMukago - Kimetsu no Yaiba (Demon Slayer)

Mukago (零余子) was a member of the Twelve Demon Moons in the Kimetsu no Yaiba (Demon Slayer) series, having held the position of Lower Moon Four.


Mukago seemed to have ill, yellowish eyes, two dark red streaks over her face, and a pair of white horns protruding from either side of her forehead. Her eyes were brown with white circles around her edges and dark red sclera with the kanji painted around her left iris for' Lower Moon Four,' surrounded by a pair of remarkably long eyelashes. She also had chin-length white hair behind her lips, and shorter bangs.
Mukago wore a plain red kimono with a coat-lined black-and-white collar bound with a wide, dark purple bow at the end.


In the series, Mukago was shown to be weak and fragile and the most cowardly out of all the Lower Moons despite her higher ranking within the Lower Moons. Many times, she has run away from battling a Demon Slayer Corps' Pillar. According to Muzan Kibutsuji, when he read into her thoughts, Mukago wants nothing to do with fighting a pillar and actually has no intention on ever fighting one. Muzan infuriated by the weak Mukago, she attempted to beg for mercy and forgiveness.


Muzan emerges before them in his female form after all of the other Lower Moons joining in the meeting. With utter annoyance he stares at the audience and tells them to lower their heads and bow down before him. Mukago utters after all of them that she's sorry she was even asked to sit, because she was not aware it was her master in his present form. Muzan aggressively demands if she talks without authorization, asking her to quiet herself, and not to answer, unless she has asked a question explicitly. While she cowers at her knees in terror, Muzan goes on to explain Rui's passing, the only Lower Moon who wasn't among those assembled before him, and tells the remaining Demons why they are so frail.

Muzan is lecturing them on how to be in the ranks of the Twelve Demon Moons is not the end; it's just the beginning of what is to come. He explains that their primary purpose is to collect blood so that they can be useful to him. Muzan answers aggressively that hundreds of years have elapsed since the Upper Moons were last replaced, yet the Lower Moons are continuously being updated, to which Kamanue assumes that. Capable of reading the thoughts of those with whom he has exchanged blood, Muzan aggressively tells Kamanue why they couldn't be telling that, extending his arm into a tentacle to catch the Lower Moon by his throat and raise him into the air. Kamanue attempts to apologise but Muzan consumes everything immediately while Wakuraba and the majority of the Lower Moons keep their heads down in shocked silence.
First, Wakuraba considers to himself that he will also be destroyed, and he has to do more to preserve his place as a Lower Moon, and, at the same moment, Mukago talks about how she runs from the very presence of a Pillar each time.
Muzan expresses both of their feelings loudly, and a frightened Mukago exclaims that what she feels is not valid, and that she is going to fight for him with her life on the line. Muzan asks her why she doubts what he was doing, and as Mukago starts to apologise and sob, she is smashed into the dirt by another bout of Muzan's tentacles and murdered.

Wakuraba instantly expects the worst, shocked by the death of his peer, and determines that if he wanted to keep his future, it would be a wiser choice to leave than remain. He dashes at a high speed out of the castle and Enmu admits to himself that this has been a dumb move to make because Muzan is going to kill him any way. This theory turned out to be right, because Wakuraba's head is easily cut off, so quickly it leaves him questioning how he even perished in his last few moments.

Abilities and Powers

  • Demon Abilities - Not much is known about the strength and skills of Mukago as a Demon but it is believed she must have been much greater than an average demon, and superior in force to both Rui and Kamanue, as she was granted a higher Lower Moon role than they were.
  • Growth potential - The power of a single Demon depends almost entirely as to how many humans they have killed, and they could also grow stronger by consuming extra blood through Muzan, which is how the Twelve Demon Moons acquired their immense strength. Though, certain Demons have a restriction on how much they can use to grow stronger, and may not be comfortable with a greater amount.
  • Immortality - Demons embody eternal life and can live for generations, if they are incredibly strong, sometimes even longer. They can not die by conventional methods, but can be killed by light from the sun or at one of the unique Nichirin Blades of the Demon Slayer Corps. Muzan's blood.
  • Regeneration - As one of the Lower Moons, she received a larger quantity of Muzan's blood compared to an average Demon, which then presumably gave him superior regenerative power in comparison to them. However, she did not possess the necessary power to regrow his body after being decapitated by Muzan.


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Kimetsu no Yaiba (Demon Slayer)