.Shinobu and her older sister Kanae were from a wealthy family who worked in compounding medicine but their life was ruined when a Demon attacked their home killing their parents, After kanae was killed by upper moon 3 Shinobu began to adopt kanae's personality. traits and smile. to hide the immense hatred she feels for demons. shinobu is always smiling to hide her anger, shinobu is very kind but also very scary.Shinobu kocho 's gender is female.