No, Muzan isn't afraid of Kokushibo; rather, he views him as a valuable, powerful "business partner" due to his loyalty and strength, even seeing him as a near-equal among demons, though Muzan still holds ultimate authority and controls him through his blood, never showing fear but sometimes surprise or disappointment at his losses, like his battle with Gyomei. Muzan's true fear stems from Yoriichi, not his own demons.
Even 400 years later, Muzan's fear of Yoriichi remained fully intact, as simply laying eyes on Tanjiro's hanafuda earrings caused him to recall their clash.
Kokushibo doesn't trust DOMA the same way Muzan doesn't. because of how fake he is. Not wanting to disrespect Muzan, he ignores him though, only interfering when necessary, like at the first Upper Moon meeting. It also helps that DOMA has never tried. him for Upper Rank one as far as we know, like Akiza has.
It is revealed that Muzan's true fear of dying and immense desire to live and survive was due to him being born "dead," where his heart would constantly stop in his mother's womb and was assumed stillborn until he fought to breathe before his cremation.
So surprisingly the two get along well. According to Kokoshibo. He says that even though Muzon can read his mind and other demons fear him because of that reason he doesn't really fear that and he actually enjoys that Muzon can read his mind.
The only canonically LGBTQ+ character in Demon Slayer is Suma, one of Tengen Uzui's wives, who is confirmed to be bisexual and polyamorous in the series' databooks, showing affection for both men and women, including Tengen and her fellow wives, Makio and Hinatsuru. While other characters like Mitsuri are speculated to be queer, Suma is the sole officially confirmed character, with her relationship dynamic highlighting both bisexuality and polyamory within the Demon Slayer Corps.
Muzan has always been a rational character, but fans believe killing his doctor is the only time he regretted taking a life.
One of my demon slayer headcanons is that Muzan's favorite demon was Rui because he was weirdly permissive with him and kinda let him do whatever, so here are some doodles.
Why Muzan REALLY Feared Yoriichi Tsugikuni For 500 Years! Demon Slayer Kimetsu no Yaiba - YouTube.
However, despite this immense jealousy, spite, and outright hatred he harbors for Yoriichi, he still deeply cares for his brother, as seen when he was touched by Yoriichi treasuring the handmade flute he had made for him as a child; Kokushibo sheds tears over his brother's death and even goes as far as keeping the ...
The thing Muzan despises most about Akaza is the fact that though he has most Potential, Doma was able to surpass him since didn't eat women.
It is stated that Yoriichi only survived because he was born with the mark, which Kokushibo was not. Due to that single fact, yes, Kokushibo would have died at 25 years old without a single doubt. In his mind, he was perfectly in the right to become a demon, as he killed two birds with one stone.
Yoriichi overpowering Muzan, the Demon King, with a single move. He alone among the Demon Slayer Corps was able to corner Muzan Kibutsuji and overpowered him in an instant, having him on the verge of death until he barely managed to escape.
As the creator of the Twelve Kizuki, he commands the most powerful demons in existence, using them as his weapons in his quest to conquer the sun. Despite his godlike power, Muzan's greatest weakness is sunlight — a flaw he has spent centuries trying to overcome through experiments and manipulation.
Also the reason why Nezuko was already so powerful is because Muzan injected tons of blood in her body and the others in hopes of creating a demon that could conquer the sun.
Twelve Kizuki. The Twelve Kizuki (十二鬼月, Jūnikizuki) is a special group of demons who serve Muzan and have a special mark of their servitude engraved on their eyes. Second only to Muzan, they are the most powerful demons to have lived.
Muzan's real scary gimmick isn't his power, but the fact that he can't die from a head cut-off. Even when the most powerful Hashira—Gyomei Himejima—does succeed in beheading him, Muzan absurdly regrows his head in an instant. He's lived through suicide bombings, toxic gas, and innumerable other murderous assaults.
In both the manga and anime series, pronouns used to refer to Muzan are predominantly masculine. Characters consistently address Muzan using male pronouns like “he” or “him.” This linguistic choice hints towards Muzan being perceived as a male within the story's narrative.
Sanemi and Obanai rank low as their actions and abrasive personalities make them less likable. Giyu and Kyojuro are the most well-liked Hashira due to their protective and warm nature.
Although Rui was only a demon for 20 years, he was stated to be highly capable and was well-liked by Muzan himself. It was also stated that Rui was as powerful as Lower Rank Two or One but was not obsessed with numbers and did not feel the need to enter a Blood Battle with them in order to replace them.
Muzan Kibutsuji's motivation to kill Tanjiro's family was to create a demon immune to sunlight, fulfilling his desire to be unstoppable. Nezuko's transformation into a demon immune to sunlight ultimately backfired on Muzan, leading to his ultimate downfall in Demon Slayer.
Tanjiro is not a Hashira within the Demon Slayer Corps. Officially, the highest rank he attains is Hinoe, the third highest position within the Corps.
Before his physical death, Muzan, who was slightly crying tears after remembering Kagaya's words, was also able to transfer both his blood and his consciousness into Tanjiro's dying body, viewing the latter as the embodiment of Kagaya's final words and reviving him as the next Demon King who is immune to the sun and ...