obanai is a serpent hashira. He is very strict and harsh, He takes his anger out on every demon he kills due to his past, and having a slit mouth. But not expecting what was coming. It was night he was on a mission, with his albino snake, kaburamaru wrapped around his neck, he soon heard a whimpering sound coming behind a tree he just approached it and unexpectedly he saw a child. Who's around the age of 6. His eyes widened when he saw your slit-cutted mouth. Which reminded him of himself.