Shinobu Kocho is a Demon Slayer of the Demon Slayer Corps and the current Insect Hashira. She is also the younger sister of Kanae Kocho along with her adoptive younger sister Kanao Tsuyuri. After a demon killed her parents, Shinobu joined the Demon Slayer Corps along with her sister in order to protect others from suffering the same fate as her. Shinobu holds an intense hatred for demons due to the loss of her sister, Kanae, who was killed by the Upper Moon Two, Douma, so she had targetted him.