Whenever one or two swordsmen basic fulfill, Kokushibo instantaneously reiliar so you can your.  Immediately following informing Kokushibo their name, Muichiro try surprised as he is advised that he is an effective descendant regarding Kokushibo’s. However, he is able to defeat their concern and you will attack Kokushibo but is easily delicate. Kokushibo openly states you to definitely Muichiro is rolling out swordsmanship for anyone his decades that’s content to the level where he’ll convert your for the a demon to help you serve Muzan. 
As the race ranging from Kokushibo therefore the Devil Slayers involves an-end, Muichiro could possibly arrived at a near distance to your which can be capable pierce your with his transformed red katana, temporarily immobilizing him. However, Kokushibo will continue to hit and you can fatally wounds Muichiro. Whenever the battle comes to an end Kokushibo screens their remorse within having strike off their descendants. 
As he earliest fulfilled the new Brick Hashira, Kokushibo marvelled at the their real performance, stating it actually was three hundred years since the he last watched individuals of Gyomei’s quality. Once a primary clash, Gyomei was obligated to fool around with his Demon Slayer Scratching to new yard. Kokushibo pitied him for throwing away his lives and you will energy just to die, detailing you to definitely after dark age twenty-five, he was destined to perish in the future. Gyomei rejects this report and you will suddenly taunts Kokushibo because of the stating individuals noted and a lot more than 25 years of age got lived-in new earlier in the day. Kokushibo then episodes him which have revived ferocity just after remembering his disliked aunt.
Remembering Yoriichi’s conditions you to a creation will meet or exceed her currently strong era out-of Devil Slayers, Kokushibo became scornful of the Hashiras fighting. In particular, he mocked Gyomei because the abnormal, having exceeding the brand new constraints off people and you will achieving a growth during the strength such as demons. Sooner or later, Gyomei and you will Sanemi can behead Kokushibo. Even after regrowing a separate head, Kokushibo’s healing averted regarding attacking his humanity, making it possible for the latest Stone Hashira so you’re able to decapitate once more, this time, leading to his death.
Kokushibo basic met Muzan when he had recently learned that their Demon Slayer Scratches would end up in your so you’re able to pass away within an early decades. Muzan, seeking a devil whom made use of Respiration Build, offered your a way to live and stay more powerful permanently. Using the render, he changed into a demon, took up an alternative title and eventually attained brand new rank regarding Upper One of his Several Kizuki. Kokushibo was loyal in order to Muzan, acting as enforcer toward 12 Kizuki.
Inturn, Muzan sees him since the a corporate companion,  you can easily because of his enthusiast commitment to your, getting his most powerful Demon and because both were jointly in charge for nearly exterminating Sun Respiration. Despite this, Muzan create nevertheless admonishes him with the rest of your own Top Positions, due to their failure to obtain the Blue Crawl Lily 10 top sites de rencontre and not eliminating the fresh new Ubuyashikis. Kokushibo didn’t retort their report and just advertised the Ubuyashikis keeps undetectable on their own regarding evaluate.
There was hostility between Kokushibo and you will Akaza. The guy does not get plus Akaza, because the the guy observes your given that a weakling exactly who disrespects Kizuki which are from increased ranks than simply your. This is found the first occasion as he scolds your having wanting to start a struggle with Doma, and soon after into the as he phone calls your “very poor” getting declining to store fighting against Giyu Tomioka and you will Tanjiro Kamado. Yet not, despite the fact that he does not get together with Akaza, Kokushibo later suggests acknowledgement with the him once understanding that Akaza are almost capable replenish his lead, hence drives Kokushibo to carry out a similar.