Kaigaku

Kaigaku (獪かい岳がく, Kaigaku) was a supporting antagonist in the Infinity Castle Arc of Demon Slayer: Kimetsu no Yaiba. He was a demon affiliated with the Twelve Kizuki, having held the position of Upper Rank Six (上じょう弦げんの陸ろく, Jōgen no Roku^?), replacing Daki and Gyutaro after their deaths.

Kaigaku (獪かい岳がく, Kaigaku) was a supporting antagonist in the Infinity Castle Arc of Demon Slayer: Kimetsu no Yaiba. He was a demon affiliated with the Twelve Kizuki, having held the position of Upper Rank Six (上じょう弦げんの陸ろく, Jōgen no Roku^?), replacing Daki and Gyutaro after their deaths.