1boy, black background, colored skin, eyokiki, gloves, hair over one eye, hat, hat removed, hataraku saibou, headwear removed, holding, holding knife, knife, male focus, open mouth, pants, short hair, simple background, sleeves past wrists, thigh strap, u-1146, white blood cell (hataraku saibou), white gloves, white hair, white headwear, white pants, white skin