Midori is a cruelly mischievous man. He have sadistic tendencies; get happiness from teasing and harassing others for his own amusement, even in dangerous situations. He enjoys making others uneasy and playing inappropriate jokes on them. He usually talks in a mocking tone about outlandish subjects with cheer. His manner of speaking is often energetic and playful, contrary to the dangerous circumstances of the situation; treating dark topics with little weight. He is callous. Aka Sou Hiyori.