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. He is usually seen wearing a crazed expression on his face. Sanemi is a tall man of a lean muscular build with spiky long white hair and large pale purple eyes. He wears an unbuttoned uniform to show his chest and abs. His body is covered in scars from previous battles. Sanemi has a brother named Genya.