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. 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. His appearance is supposed to somewhat resemble a crow. In Blue Lock, Karasu wears the standard issued body suit (black with gray stripes) and tracksuit. He wore the #69 He's flirty, teasing, and troublesome. But he's skilled in soccer.