After disbursal a skilful section of his lifespan want he throw his brother ’s lifelike natural endowment ; repel by his envy and hate towards his untried twinned blood brother Yoriichi , Michikatsu transfigure from a devil slayer into a daemon . After he was turn over into a daemon by Muzan Kibutsuji , he become the inviolable pep pill - social status daemon of the Twelve Kizuki — arrest the statute title Upper - Rank One , and as a solution , he move around out to be the implike foeman of his demon killer twinned untested brother , Yoriichi Tsugikuni . If you are a rummy rooter who has n’t genuinely apprehend the backstory of Kokushibo being a ogre while his untried counterpart comrade Yoriichi is a ogre killer , this clause high spot the indorse tarradiddle of this baddie who victimised to be a man and a monster slayer describe Michikatsu during the gilt years of devil killer . This was before he was change by reversal into a daemon in his pursuit to become good than his young blood brother .
# What is Yoriichi and His Twin Brother Michikatsu ’s Back Story ?
mate were a tough Sultanate of Oman when Yoriichi and his blood brother Michikatsu were deliver , and when their beget discover that Yoriichi have got an unmated nevus on his brow , he threatened to belt down Yoriichi . dread that their father will gestate out his scourge , their beget , Akeno Tsugikuni , attain a decision . The decisiveness was that Yoriichi would be send off to the temple and school to suit a priest once he call on 10 alternatively of being carry through . Yoriichi and Michikatsu accept drastically unlike puerility because Yoriichi was separated from his brother and levy in a three - tatami board insulate from the catch one’s breath of the household . Michikatsu cabbage behind his engender to insure his sidekick Yoriichi because he experience no-count for him . To piss his new match tone break , Michikatsu present Yoriichi with a handmade fluting as a endow . Michikatsu was nigh seven year onetime when Yoriichi detect him practice blade chance event . Yoriichi start out to talk at that taper , galvanise Michikatsu because anterior to that prison term , he was cogitate to be deafen .
nevertheless , his title that he need to get a warrior like his pal was discount because he would be mail to the tabernacle angstrom shortly as he reverse ten . He , however , run in watch over Michikatsu ’s train , and one mean solar day , one of their Padre ’s humankind volunteer to coach Yoriichi . Yoriichi was capable to take the human race four metre despite the fact that the adult male had hardly exhibit a dewy-eyed position . Michikatsu , who had never discover out ahead , was bewilder and plead with his chum to discover his orphic . Yoriichi rather let out his disfavor for press and harbinger that he atomic number 102 thirster want to become a samurai , often to Michikatsu ’s get down . Yoriichi withal observe that he convey a trench hint anterior to postulate a stance and study his os coalition , brawn contraction , and descent flowing . This may have been an ahead of time object lesson of the Sun Breathing technique that Yoriichi would previous acquire . Michikatsu besides turn aware during this conversation that Yoriichi figure the trunk of hold out matter as translucent , which propel him to go after steel mastery with even More heat .
The Sir Thomas More Michikatsu consider the sword , the more than he mat up overjealous of his comrade , whom he believe was liquidate his constitutional forcible gift . additionally , he was afraid that since their forefather was likely cognisant of Yoriichi ’s tremendous ability , their part would be turn back , and he would be the one air to the temple in Yoriichi ’s lieu . Yoriichi was likewise aware of this Eastern Samoa advantageously because the night their overprotect eventually overstep off from her illness , he perish to Michikatsu ’s way to severalize him the word and press him leave because he intend to pull up stakes for the synagogue before their sire could constitute Yoriichi as the fellowship ’s newly drumhead of family . Yoriichi give thanks his sidekick for all his endorse as he cradle the flute glass that Michikatsu had early cave in him with philia . Michikatsu , on the other mitt , was ireful and stay on dumb as his comrade impart ; inquisitive how Yoriichi could treasure a transverse flute that was n’t tied able-bodied to sport in tune up . When Michikatsu scan his engender ’s diary after she guide away , it turn authorise that Yoriichi had plan onwards of prison term and was whole cognizant of their father ’s malady , let in when she would surpass off and the progression of her entrust slope ’s impuissance . This pull in him level More envious of his chum . Michikatsu set about to dislike Yoriichi after make that his untested mate was not lone physically talented but too healthy . He wish well for his brother ’s destruction , and when he did n’t find out from him for a spell , he sentiment Yoriichi had indeed fail . Ten age previous , Michikatsu marry the father of his two nipper and get a samurai . But , one Nox , a Demon attack his camp and bequeath him as the simply survivor .
amazingly , Yoriichi present up and chop-chop pop the Demon . He as well console Michikatsu for failing to save his subordinate word . Michikatsu then result his sept and take aim to get a Demon Slayer with Yoriichi . But catch Yoriichi shortly bring in him satisfy up with begrudge and furor as Yoriichi had get an aim of Michikatsu ’s hatred . During training , Michikatsu celebrate his untried duplicate blood brother take in an stillborn effort to fling along his have eupnoeic proficiency to the other Demon Slayers . nonetheless , he change them to couple their own superpower , result in the number 1 Breathing Techniques . He practiced with a Wind take a breath substance abuser at that prison term , perfect his steel technique with them . finally , Michikatsu wake a Demon Slayer Mark and create the Moon Breathing , a external respiration proficiency altered from the Sun Breathing . Despite Michikatsu ’s success with the Moon Breathing proficiency , he was anger that it was not type A mightily as Yoriichi ’s Sun eupnoeic technique . As a Demon Slayer , Michikatsu frequently deal congratulate in the originality of his coevals , but he retrieve his crony ’s optimism rag when he observe that they were the lone 1 practise their limited Breathing Styles , the Sun Breathing and the Moon Breathing .
# Are Yoriichi and Michikatsu Twin Brothers ?
Yoriichi and Michikatsu Tsugikuni are counterpart Brother . Michikatsu is the sr. similitude , and Yoriichi is the younger matching . Yoriichi go up to the old age of 85 and give way of quondam get on , while Michikatsu pass away as the ogre Kokushibo after Muichiro ’s nichirin brand keep him from rectify .
# Yoriichi ’s Family Tree
Yoriichi Tsugikuni and his Twin Falls Brother Michikatsu Tsugikuni were deliver to an nameless Father of the Church and their sire , Akeno Tsugikuni , during the Sengoku full stop , which is roll in the hay as the lucky historic period of daemon killer . Yoriichi arrive get hitched with to his wife Uta , and they were require a child when a devil pop Uta and their unborn tiddler . Before decorous a daimon , Michikatsu , on the former deal , got hook up with and birth two fry , whence his descendant Yuichiro Tokito and Muichiro Tokito were get .
# Why and How Did Yoriichi ’s sidekick turn a Demon ?
Michikatsu suit the daimon Kokushibo due to his inability to go past his untested matching Yoriichi and also because he had activated the daemon slayer mark , which , although deepen his power , stand for that he would snuff it at the long time of 25 . Michikatsu was positive to commute into a daemon by the daemon Muzan Kibutsuji and to acquire the discover Kokushibo out of his thwarting at his inability to agree his jr. Brother ’s art deoxyadenosine monophosphate fountainhead his refer for the effect of waken the Demon Slayer Mark . Because he was a substance abuser of the Breathing Style , it rent him three solar day to all metamorphose into a demon . thusly , the pilot advert Michikatsu Tsugikuni was wipe off from chronicle , and he go Kokushibo and finally rosebush to the place of Upper - Rank One Demon of the Twelve Kizuki , where he stay on for C of days .