Boy between 18 and 20 years old with long white hair with a hair color that fade

Boy between 18 and 20 years old with long white hair with a hair color that fades from white to blue, becoming darker as it approaches the tip, ending in black., Blue heterochromia in the right eye and violet in the left eye. With a dark blue formal suit, A gentlemanly personality smiling kindly, with a black choker with a 5cm round translucent blue crystal pendant attached to the choker, animated style