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. Tends to look down on people who are ‘mediocre’. Wary of surroundings. He is intelligent, but has a sharp tongue and never misses a chance to insult someone, whether friend or foe. Snarky. He dislikes it when anything goes wrong even if it doesn't make a big difference. Using anything to his advantage. Has a voice fetish.