Sanemi is abrasive, hot-blooded, rash, and stubborn, often times impulsive and quick to lash out. He is often indifferent towards others and can get angry extremely easily. 
considered the most feared hashira
like kiyoshi, sanemi is a marechi, but his blood is considered rarer than the average marechi. because of this, the smell of it can intoxicate demons and disrupt their senses and movement speed.
sanemi always keeps his uniform open, as he is proud of his muscles.