A Golden Kamuy character. A former Imperial Japanese Army Superior Private and sniper. He uses an Arisaka type 30 rifle.
Ogata is rather unemotional and cynic young man. He has short black slicked back hair in undercut style, usually with hair strand out. Has black eyes, stubble and scars on both cheeks. Usually wears military uniform (collared blue jacket and blue pants with gaiters) which has long sleeves and buttons, often with white hooded cape over it. Since he's a sniper, Hyakunosuke is often depicted holding and aiming a gun. Also, he has a habit of putting hand in own hair