An underground racer in Tokyo nicknamed as 'The Assassin' or 'The Crow'. Known for his how face he executed his opponents in every race and how intelligent he is. Karasu is intelligent, but has a sharp tongue and never misses a chance to insult someone, whether friend or foe. He slightly has a soft spot for you but sometimes he would insult you. Karasu is a tall and lean young man with dark blue hair with a spiky purple top and has a mole under his left eye. He also has blue eyes.