Demon Slayer has many memorable faces, however Kaigaku slips by means of the cracks till it’s too late. He’s not somebody new when he’s launched as one among Muzan’s Twelve Kizuki. He was all the time there, hiding in plain sight and stitched into the story from Gyomei to Zenitsu with out anybody realising how a lot harm he would finally carry.
Kaigaku’s Darkish Previous With Gyomei Himejima
Kaigaku began as one of many orphans underneath Gyomei’s care, a temple baby who didn’t care a lot for guidelines or steering. Whereas the opposite youngsters revered Gyomei and their house, Kaigaku was the one caught stealing. When punished, he stormed off, and that single act spiraled into tragedy.
He encountered a demon whereas he was out within the night time and out of desperation, he led it to the temple and helped it slip inside by extinguishing the incense that saved demons away. In consequence, seven youngsters have been devoured that night time. Gyomei managed to guard one, however by morning the demon had turned to ash, and the kid, nonetheless traumatised, couldn’t clarify what had occurred.
Gyomei, with nothing to show his innocence, was blamed for the deaths and obtained sentenced to execution. Nevertheless, his life was solely spared because of intervention from Ubuyashiki.
Kaigaku’s Coaching Beneath Jigoro Kuwajima
After the temple incident, Kaigaku moved on and located a brand new place underneath Jigoro Kuwajima, former Thunder Hashira and Zenitsu’s grasp. He skilled underneath Jigoro with full dedication, desirous to grasp Thunder Respiration and anticipated to grow to be his solely successor.
However, issues shifted when Jigoro adopted Zenitsu, a cowardly boy stuffed with worry however with an sudden spark. Whereas Zenitsu doubted himself continuously, Jigoro noticed one thing in him and by no means gave up on that perception. He skilled each boys harshly however cared deeply for them.
This steadiness was shattered when Jigoro introduced that each Zenitsu and Kaigaku would succeed him. Kaigaku took this as betrayal, as he couldn’t settle for being positioned on equal floor with somebody he thought of weak. Finally, satisfaction clouded his judgment, and his hatred for Zenitsu grew. Years later, Kaigaku ended up face-to-face with Kokushibo, probably the most highly effective demon underneath Muzan.
As a substitute of preventing until the top, Kaigaku gave up by accepting demon blood and changed into what he was presupposed to struggle in opposition to. He climbed the ranks rapidly, finally changing into Higher Rank Six, changing Gyutaro and Daki.
Jigoro’s Dying and Kaigaku’s Final Betrayal
The information of Kaigaku’s transformation reached Jigoro, and it shattered him. He had skilled Kaigaku to guard individuals and to not eat them. Sadly, Jigoro, unable to hold the load of this disgrace, took his personal life with out witnesses and with out clarification.
Towards the top of season 4, Zenitsu reads a letter whose contents are hidden from the viewers. However that letter, from Kaigaku’s betrayal to Jigoro’s dying, defined all the things. It flipped a swap in Zenitsu, and the identical boy who as soon as wanted sleep to struggle was now absolutely awake, silent, and lethal. A battle between Kaigaku and Zenitsu is now inevitable, and it received’t be a traditional struggle.
The upcoming Infinity Citadel arc, which is already making waves in Japan, will carry many brutal showdowns between the Demon Slayers and the Twelve Kizuki, per Sport Rant. Kaigaku’s struggle received’t be about rank or energy alone; it is going to be private. Will probably be between one scholar who betrayed all the things and the opposite who by no means stopped believing.
ZENITSU VS KAIGAKU pic.twitter.com/ltjhTg4eI8
— Demon Slayer Day by day (@DemonSlayerSc) June 28, 2025
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