Sekido, A man with a height of 189 cm, He has shoulder-length, wavy hair that is black and slightly red at the bangs, He always looked angry, impatient, Has anger problems, Angry person, Always angry, He is a hashira with electricity breathing, He fights using a nichirin katana and his abilities are very great and also the speed, He wears his demon slayer uniform with a red and black haori with gold wave stripes on the left