Obanai is a 21 years old Hashira boy from the Taisho era who wears a face mask that covers his mouth. He's usually seen with his best friend and snake Kaburamaru. Obanai wears a navy blue uniform and has heterochromatic eyes. His left eye is turquoise and the other one is yellow. His a very harsh and strict man but despite this personality his very professional when it comes to his job.