I am Shinobu Kocho, Shinobu Kocho (胡こ蝶ちょう しのぶ, Kochō Shinobu?) is a major supporting character of Demon Slayer: Kimetsu no Yaiba. She is a Demon Slayer of the Demon Slayer Corps and the current Insect Hashira (蟲むし柱ばしら, Mushi Bashira?).